Startup Deep Dive : Planys Technologies — Raised an 11.1 million dollar Series B in December 2025 for its underwater inspection robots

Planys Technologies is a Chennai-based Indian deeptech company, incubated at IIT Madras, that provides underwater inspection and survey services using marine robots and analytics.

This Startup Deep Dive explains what Planys Technologies does, how it makes money, who backs it, how it compares with rivals and what could go wrong, using publicly available information. It is educational and not investment advice. Last updated: October 2026.

Planys Technologies in Brief

  • What it is: Planys Technologies is an Indian Underwater robotics and inspection company based in Chennai.
  • Who it serves: businesses, institutions, consumers, learners and public-sector buyers.
  • Provides underwater inspection and survey solutions for asset owners
  • Combines marine robotics, underwater non-destructive testing and an AI-enabled post-inspection reporting dashboard
  • Serves ports, oil and gas, dams, bridges and power clients
  • Funding: Reports differ: about 17.5 million to 22 million dollars.

Planys Technologies Quick Facts

Company Planys Technologies
Founded 2015
Headquarters Chennai
Founders Tanuj Jhunjhunwala, Rakesh Sirikonda
Sector Underwater robotics and inspection
Total funding Reports differ: about 17.5 million to 22 million dollars
Latest round Series B of about 11.1 million dollars, December 2025 (investors reported include Ashish Kacholia and Lashit Sanghvi)
Valuation About Rs 135 crore post-money for a 2024 pre-Series A tranche; no valuation reported for later rounds
Website Not disclosed

Figures marked “reported” come from published reports and may differ between sources; “Not disclosed” means no reliable public figure was found.

What Is Planys Technologies?

Planys Technologies operates in the Underwater robotics and inspection space in India. Understanding a company like this starts with three questions: who is the customer, what painful problem is being solved, and why the solution is better than the alternatives. The sections below apply that lens to Planys Technologies.

  • Provides underwater inspection and survey solutions for asset owners
  • Combines marine robotics, underwater non-destructive testing and an AI-enabled post-inspection reporting dashboard
  • Serves ports, oil and gas, dams, bridges and power clients
  • Claims more than 350 projects, 10 products across 5 countries and over 30 patents (company claim as of 2024)
  • Originally focused on building remotely operated underwater vehicles

The Origin Story of Planys Technologies

Every company starts from a noticed gap and a team willing to commit to closing it. Strong origin stories are specific: a clear problem, a founding team with relevant skills, and an early product that real customers could test. Founder-market fit, meaning the team’s lived experience or technical depth in the domain, tends to predict how fast a young company learns.

  • Founders: Tanuj Jhunjhunwala, Rakesh Sirikonda.
  • Founded in 2015 and incubated at IIT Madras Research Park in Chennai
  • Founding names reported: Tanuj Jhunjhunwala and Rakesh Sirikonda; other profiles list additional co-founders from IIT Madras (reports differ)
  • Several profiles say the team of IIT Madras alumni and faculty had worked together on projects since 2012

Key Milestones and Challenges

No startup grows in a straight line. Early years usually involve slow adoption, product rewrites, hiring mistakes and funding gaps. In the Underwater robotics and inspection sector the common turning points are a first paying customer, a regulatory approval, a successful product demonstration or a funding round that lets the team invest ahead of demand. How a team responds to setbacks says more about resilience than any single headline.

  • 2015: company founded in Chennai
  • 2018: grant-backed round of about 2.4 million dollars reported, with BPCL among participants
  • 2018-2021: raised over 4 million dollars across early rounds from investors including Kris Gopalakrishnan, Shell Technology Ventures and ONGC Startup Fund
  • November 2021: about 1.6 million dollar round led by Keiretsu Forum
  • April 2024: about 4 million dollar (Rs 35.23 crore) pre-Series A tranche reported
  • December 2025: Series B of about 11.1 million dollars reported

Planys Technologies Funding and Investors

Funding history shows how much outside confidence a company has attracted and how long it can operate before needing more capital. Figures below are reported and may differ between sources; valuation figures are estimates unless the company has confirmed them.

  • 2018: about 2.4 million dollars (grant/early round) with BPCL and others
  • 2018-2021: over 4 million dollars cumulative from Kris Gopalakrishnan, Shell Technology Ventures, MEMG Family Office, ONGC Startup Fund, LetsVenture and others
  • Nov 2021: about 1.6 million dollars led by Keiretsu Forum
  • Apr 2024: about 4 million dollars (Rs 35.23 crore) via compulsorily convertible preference shares; investors Himalaya Finance, Golden Birch Investments, Krishna Defence, Impact India Investments, SiriusOne Capital and individuals including Ashish Kacholia
  • Dec 2025: about 11.1 million dollars Series B; investors reported include Ashish Kacholia, Lashit Sanghvi, 3i Partners, LVX and Pratithi Investments

How Does Planys Technologies Make Money? (Business Model)

A business model describes who pays, how often and how much it costs to serve them. Strong models show repeat usage, improving margins with scale and acquisition channels that do not depend only on paid spend. Weak models show one-off sales, rising costs and growth that stops when spending stops. For companies selling to businesses, institutions, consumers, learners and public-sector buyers, sales cycles and contract size matter as much as headline growth.

  • Inspection services sold to asset owners on a project basis
  • Sells robotic and inspection products
  • AI-enabled reporting dashboard layered on inspection data

The Numbers: Planys Technologies Financials

Financial figures show whether growth is turning into a self-sustaining business. Small and private companies often disclose little, so any number below is included only if it was found in public reporting.

  • FY22: revenue Rs 7.41 crore (reported)
  • FY23: revenue Rs 8.63 crore (reported)
  • FY24: revenue about Rs 6.5 crore and loss about Rs 5.7 crore in one aggregator; another listing shows FY24 revenue Rs 7.1 crore (reports differ)
  • FY25: reports differ, revenue Rs 12.8 crore to Rs 15.7 crore and loss Rs 1.4 crore to Rs 2.2 crore

Market Opportunity for Planys Technologies

Market size is easy to exaggerate, so a useful approach separates the total market from the portion a company can realistically reach with its current product and distribution. The main forces behind demand in this sector are rising digital adoption, cloud and mobile penetration, growing enterprise technology spending, government digitisation programmes and a deep pool of engineering talent. Each of these widens the opportunity, but capital efficiency and execution decide who captures it.

  • Targets ports, oil and gas, dams, bridges and power infrastructure inspection

Technology and Product at Planys Technologies

Technology is rarely the whole moat, but it drives speed, cost and customer experience. A practical way to assess it is to separate the capability the company controls from the commodity infrastructure it rents. In this sector the important factors are product quality, data and integration depth, security, scalability and the speed of shipping improvements.

  • Remotely operated underwater vehicles and underwater non-destructive testing
  • AI-based post-inspection analytics

Team and Culture at Planys Technologies

Teams are the most important and least measurable asset of a young company. Look at how complementary the founders’ skills are, how deep the second layer of leadership is, and how the company hires and retains specialists. Culture shows up in small repeated behaviours: how quickly bad news travels upward and whether commitments to customers are kept.

  • Tanuj Jhunjhunwala is described as co-founder and CEO
  • Vineet Upadhyay is described as CTO
  • Employee count reported at 159 to 188 depending on source

Planys Technologies Competitors: Competitive Landscape

A fair competitive analysis names direct rivals, adjacent players who could move into the space, and the customer’s default alternative. Durable advantages include proprietary data or technology, licences and approvals, brand trust, switching costs and cost leadership.

Competitor How it differs
EyeROV Indian marine robotics company named as a peer in coverage of EyeROV
Nauticus Robotics US marine robotics firm listed as a peer by an aggregator

Risks and Challenges for Planys Technologies

  • Revenue and loss figures differ across sources and fell in FY24
  • Dependence on project-based government and PSU spending
  • Loss-making through FY25 on reported figures
  • Competition: low barriers to entry and well-funded rivals can compress pricing and slow growth.
  • Funding risk: technology businesses often burn cash before reaching profit and depend on investor appetite.

Risk is not a reason to avoid a company; it is a reason to price it correctly and to monitor the right indicators over time. Regulation in this sector is shaped by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

Planys Technologies Growth Outlook: What to Watch

  • Fresh Series B capital reported for expansion
  • Revenue reported to have grown in FY25 though sources disagree on the amount
  • Key indicators: recurring revenue, customer retention, gross margin, customer acquisition cost and runway.
  • Funding position: Whether Planys Technologies can reach its next milestone before needing new capital.
  • Regulation: Changes from data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

Industry Context: Where Planys Technologies Fits

India's technology startup ecosystem is one of the largest in the world, supported by cheap data, a large base of smartphone users, digital public infrastructure and a deep engineering talent pool. Companies now build for education, software, mobility, logistics, agriculture, defence, media and more, selling both to Indian customers and abroad.

Durable technology companies usually combine a clear customer problem with repeatable distribution and disciplined unit economics. Growth funded only by spending tends to fade, while products that customers keep using and paying for build compounding advantages.

For readers new to this field, a useful habit is to separate announcements from evidence. A plan, a partnership or a funding headline describes intent, while a delivered product, a paying customer or an audited financial statement describes results. Comparing the two over time shows how reliably a company turns promises into outcomes.

Bull Case and Bear Case for Planys Technologies

An investment thesis is a short, testable statement of why a company could become far more valuable, together with what evidence would prove it wrong. The points below are general to this sector and are not forecasts for Planys Technologies.

Bull case

  • A large and growing base of digital users and businesses expands the addressable market.
  • Recurring revenue and strong retention can compound growth.
  • Selling into global markets widens the opportunity beyond India.

Bear case

  • Heavy competition can compress pricing and margins.
  • Dependence on external funding can force painful cost cuts.
  • Regulation or platform changes can disrupt a product quickly.

Lessons Founders and Investors Can Take from Planys Technologies

Studying a company in the Underwater robotics and inspection space offers lessons that go beyond any single firm. The points below are general lessons for the sector and are not claims about Planys Technologies.

  • Solving a clear, frequent customer problem matters more than adding features.
  • Retention and repeat usage are better health signals than sign-ups.
  • Disciplined spending extends runway and keeps options open when funding tightens.
  • Distribution, not just product quality, decides who wins in crowded markets.
  • Building trust through data protection and reliability is part of the product.

How to Evaluate Planys Technologies as a Startup

  • Customer clarity: Can Planys Technologies name its customer and the problem it solves in one sentence?
  • Evidence of demand: Look for repeat customers, signed contracts or measurable usage rather than announcements alone.
  • Economics: Check whether margins improve as volume grows.
  • Execution: Compare announced timelines with what has actually been delivered.
  • Funding runway: Estimate how long current capital lasts at the present spending rate.
  • Regulatory standing: Confirm required approvals are in place.
  • Customer concentration: Check whether a few customers account for most of the revenue.
  • Management depth: Look for experienced leaders beyond the founders and a stable core team.

The Takeaway

Planys Technologies is part of India’s growing Underwater robotics and inspection ecosystem. The useful lesson from studying it is the discipline of asking structured questions about customers, economics, advantage and resilience. Companies that answer them well, repeatedly and under pressure are the ones that endure. Readers should treat any single report, ranking or funding headline as one input among many, and should re-check key facts against recent company announcements. Because public information on young companies is often limited, patience in verifying claims is part of good analysis. Public sources can also describe the same company in different ways, so it is worth checking dates, definitions and whether a figure refers to revenue, total income or transaction value, and whether it covers one entity or a wider group, before drawing conclusions. Small differences in rounding, currency conversion or reporting periods can also change how a figure reads. Comparing the same figure across several recent reports helps show whether it is stable or has changed over time. This article is educational and is not investment advice.

  • Clear customers and repeat demand matter more than announcements.
  • Regulation and capital needs shape how fast a startup in this sector can grow.
  • Track a few leading indicators over time rather than one headline metric.

Planys Technologies FAQs: Frequently Asked Questions

What is Planys Technologies?

Planys Technologies is a Chennai-based Indian deeptech company, incubated at IIT Madras, that provides underwater inspection and survey services using marine robots and analytics. It is profiled in the Startup Deep Dive series, which explains business model, funding, competitors and risks.

Who founded Planys Technologies?

Planys Technologies was founded by Tanuj Jhunjhunwala, Rakesh Sirikonda, and the company reports a founding year of 2015.

How much funding has Planys Technologies raised?

Reports differ: about 17.5 million to 22 million dollars. Funding figures are reported and may differ between sources, so readers should check the latest company announcements.

How does Planys Technologies make money?

Planys Technologies earns revenue from its Underwater robotics and inspection products and services sold to businesses, institutions, consumers, learners and public-sector buyers. The exact revenue mix is described in the business model section and is not fully disclosed publicly.

Who are the competitors of Planys Technologies?

Reported rivals include EyeROV, Nauticus Robotics. See the competitor comparison above for how they differ.

What are the main risks for Planys Technologies?

Main risks include competition: low barriers to entry and well-funded rivals can compress pricing and slow growth, funding and capital needs, competition and regulation by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules. This is educational content, not investment advice.

Related Startup Deep Dives: Arzooo — FY22 revenue grew over 4x to Rs 1,117 crore; raised $70 million Series B in 2022 at a reported valuation of $300 million to $400 million | CloudCherry — Acquired by Cisco in 2019 after raising about $15 to $16 million. Browse the full Startup Deep Dive series.

Source

Source: Publicly available data, published reports, industry research, and other credible sources.

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