Hindustan Aeronautics Limited has put the overhaul plan forward, and given the amount of money involved, it needs the DAC's sign-off before anything moves ahead.
Plan To Overhaul 40 Sukhoi-30MKI Fighter Jets On Agenda In Key Government Meeting
Via NDTV India (Defence & Border Security)
Plan To Overhaul 40 Sukhoi-30MKI Fighter Jets On Agenda In Key Government Meeting