Rafale is easier to induct and operate in IAF, because IAF have Mirage 2000 experience.
Rafale fulfill and meet all MMRCA requirements and standards of IAF fleet
Rafale is an option for INs carriers => increased commonality, reduced costs.
Rafale gives several techs and weapons that could be used for LCA or AMCA developments. (AESA, engine, avionics developments)
*i.imgur.com/Q9Ikq.png