▁of ▁the ▁cost . ▁ ▁The ▁Indian ▁version , ▁according ▁to ▁the ▁deal , ▁will ▁be ▁different ▁from ▁the ▁Russian ▁version ▁and ▁specific ▁to ▁Indian ▁requirements . ▁While ▁the ▁Russian ▁version ▁will ▁be ▁a ▁single - p il ot ▁f ighter , ▁the ▁Indian ▁variant ▁will ▁be ▁based ▁on ▁its ▁own ▁oper ational ▁doctrine ▁which ▁calls ▁for ▁greater ▁radius ▁of ▁combat ▁operations . ▁The ▁wings ▁and ▁control ▁surfaces ▁need ▁to ▁be ▁re work ed ▁for ▁the ▁F G FA . ▁Although , ▁development ▁work ▁has ▁yet ▁to ▁begin , ▁the ▁Russian ▁side ▁has ▁expressed ▁optim ism ▁that ▁a ▁test ▁article ▁will ▁be ▁ready ▁for ▁its ▁ma iden ▁flight ▁by ▁ 2 0 0 9 , ▁one ▁year ▁after ▁PA K ▁FA ▁scheduled ▁ma iden ▁flight ▁and ▁induction ▁into ▁service ▁by ▁ 2 0 1 5 . ▁ ▁By ▁February ▁ 2 0 0 9 , ▁as ▁per ▁Su k ho i ▁General ▁Director ▁Mik h ail ▁P og os yan , ▁India ▁will ▁initially ▁get ▁the ▁same ▁PA K ▁FA ▁f ighter ▁of ▁Russia ▁and ▁the ▁only ▁difference ▁will ▁be ▁the ▁software . ▁ ▁In ▁ 2 0 1 0 , ▁a ▁total ▁of ▁ 5 0 0 ▁aircraft ▁were ▁planned ▁with ▁options ▁for ▁further ▁aircraft . ▁Russian ▁Air ▁Force ▁will ▁have ▁ 2 0 0 ▁single - se at ▁and ▁ 5 0 ▁tw in - se at ▁PA K ▁F As ▁while ▁Indian ▁Air ▁Force ▁will ▁get ▁ 1 6 6 ▁single ▁se ated ▁and ▁ 4 8 ▁tw in -