Alexey Fedorov, chief of the Sukhoi-making Russian company, Irkut, said at the recently concluded biennial airshow -- MAKS-2011 -- in Zhukovsky near Moscow, that the Sukhoi upgradation has two components, for which technical negotiations are on. One includes the modernisation of the aircraft to fit the BrahMos missile's air version on it, and the other is to upgrade the existing five Sukhoi-30MKI squadrons of the IAF.