§1Who it is for

  • Startups and MSMEs working on critical and strategic deep-tech for defence

Useful if

Funded deep-tech startups (VC-backed) in EW, munitions, space, autonomy

Do not spend time on it if

Small manufacturers or early-stage founders without investor backing

§2Eligibility

  1. Same applicant classes as iDEX: DPIIT-recognised startups; Indian MSME companies; individual innovators (must register as startup/MSME after selection)

Majority Indian stake required

  1. Must respond to an ADITI problem statement (projects cannot shift from Open Challenge to ADITI)

§3Benefits

  • Grant support up to Rs 25 crore per winner, subject to approved Product Development Budget

§4Norms — pattern of assistance

  1. SPARK grant rules apply: matching contribution at least 50% of PDB; 6-milestone release (10/20/20/20/20/10%)
  2. IP stays with winner subject to SPARK agreement; no assured order

§5Documents

Not published

The guideline does not list the documents. Ask the portal or bank before you apply — we do not make up lists.

§6How to apply

  1. 1

    Apply on idex.gov.in when an ADITI edition is open

  2. 2

    Shortlisting → HPSC → SPARK Grant Agreement

§7Pros and cons

Merits

  • Largest iDEX grant: up to Rs 25 crore — iDEX FAQ
  • Problem statements are high-value weapons/space tech needs from the Services (e.g. ADITI 4 list)

Demerits

  • 50% matching contribution on a project of this size needs serious capital — iDEX FAQ
  • No assured production order — iDEX FAQ
  • Problem statements (munitions, EW, quantum radar) suit only deep-tech teams — ADITI 4 list

→Related schemes

Need help with ADITI?

Eligibility check, DPR and application file — ask us on WhatsApp.

Our interestHelp is our paid service. You can also apply for the scheme yourself.

Sources

  1. iDEX — FAQ
  2. iDEX — ADITI 4 challenge page
  3. iDEX — Challenges page (status as on 18 Oct 2026)
  4. iDEX — home page (news: DISC 14 & ADITI 4 launched 19 Mar 2026)

Checked on 18 October 2026. For information only — confirm with the department or bank. Spotted a mistake? Report it.