On the status of partnership between HAL and the Russian side for Su-57, HAL CMD Chairman Dr DK Sunil says, "I think presentations have been made regarding the Su-57 to the Air Force team by the Russian team regarding capabilities of the aircraft. We have had one estimation of the capacity of our Plants for the Russian equipment. A committee of Russians has also studied and said that roughly 50% of the facilities can be used for producing this aircraft but some new investments will be required. We are awaiting the Russian quotation about the investment. Then we will approach the Air Force that these are the kind of numbers required to produce these aircraft and these are the timelines..."