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LCA never started off as point defence fighter. It is the import lobby planted media news carrying jounos who repeatedly parrot this disgusting lie. From the TD-1 to LSP-8 and SP-1 the fuel capacity of tejas has not increased by a liter. IOC-2 release document states that tejas can fly to distances over 1750 Km in combat. So when did tejas start off as point defence fighter?The fact is Su-30 and Rafale carry similar loads and have similar range. Both are multi-role fighters.
LCA started as a point defense fighter but has transformed into a multi-role fighter, primarily due to IAF's own shifting priorities.
LCA Tejas can carry 3500 kg bombs and missiles and fly within combat radius of 500km at medium height just on internal fuel. This range is sufficient for both Western and Eastern theaters in the context of India, assuming any action on the eastern front is limited to the border area.
Su-30 is available for longer distance missions. For shorter distance, LCA Tejas suffices.
LCA Tejas can fill a lot of airbases like Srinagar, Pathankot, Udhampur and Leh where quantity will matter more than range.
I can list 20 airbases right here which need new fighters. How far "126 Rafale" will go? Treating Rafale as some sort of magical cure of all IAF's ills is blunder.
tejas fuel fraction(weight of the fuel/empty weight of the fighter ) is comparable to any other modern fighter. In mk2 it is set to improve further. This was achieved by using significant amount of composites which weighs less for the volume they occupy compared to metal alloys, and they also give longer airframe life.
Please go to ADA tejas website and read Air marshal MSD Woolen's aeroindia 2001 article which clearly states that tejas was designed as multi role fighter with a naval version from the word go.