iDEX Open Challenge by DIO — Frequently Asked Questions
Answers to the questions founders most often ask about iDEX Open Challenge by DIO — who qualifies, the funding amount, required documents and how the application works.
Frequently asked questions
How much grant funding does the iDEX Open Challenge offer?
Selected innovators can receive grants of up to ₹1.5 crore, disbursed in milestone-based tranches under the SPARC framework.
Who is eligible to apply?
Indian startups, individual innovators, and MSMEs with technology solutions applicable to defence and aerospace are eligible.
Do I need to be DPIIT-recognised or MSME-registered to apply?
No. DPIIT recognition is not mandatory, and MSME registration is not required either. Individuals, MSMEs, and startups at any stage can apply.
What technology domains are covered?
Aerospace, autonomous systems, artificial intelligence, quantum technologies, advanced materials, intelligent machines, predictive algorithms, and other defence-relevant deep-tech areas.
Does iDEX take equity in my company?
No. iDEX grants are non-dilutive and equity-free.
How are applications evaluated?
Through a multi-stage process: eligibility screening, technical evaluation by subject experts, and a final pitch to the iDEX Grand Jury.
How are funds disbursed?
Funds are released in milestone-based tranches under a SPARC-style contract, with deliverables and timelines defined upfront.
What is the deadline for the current cycle?
The deadline for the current cycle is 30 June 2026. iDEX Open Challenge cycles refresh periodically throughout the year.
Is there any application fee?
No. Applications are free to submit.
Where do I apply?
You can register and submit your proposal on the iDEX portal at https://idex.gov.in under the Open Challenge category.
What entity types are eligible?
Individuals, LLPs, partnerships, private limited companies, and proprietorships are all eligible.
Who offers iDEX Open Challenge by DIO?
iDEX Open Challenge by DIO is offered by Defence Innovation Organisation, a government body. It is provided as non-dilutive funding.
How do I apply for iDEX Open Challenge by DIO?
Applications go through 6 stages, starting with Register on iDEX Portal. Apply through the official application link on this page.