Any organization/PSU/company/firm which is into design and development of Products for Indian defense airborne applications can approach CEMILAC for airworthiness certification irrespective of the fact that they have an order from the services/DRDO Lab/PSUs or not.
Application Format to seek CEMILAC Certification for Airborne Products
IMTAR Forms 10A Airborne System
IMTAR Forms 10B Airborne Store