The IN will be going in for the N-LCA no question about that. The only issue is the quantity. They've declared their intentions to do so in public.
The Indian Navy is kicking around the idea of ordering a small number of naval N-LCA fighter jets to operate as a dedicated training and technology development squadron for frontline naval aviators and future combat assets. The idea hasn't yet crystalized into a paper proposal, but internal...
www.livefistdefence.com
If I'm not mistaken there exists no such LIFT worldwide designed exclusively for usage on a carrier which is to say land & take off from a carrier as the N-LCA. Hence it makes sense for the IN.
I just hope they buy 40 nos of it not only for training but off shore CAP as well in the A&N island chain given our upcoming war with China. Takes a load of the regular IN FAs.
Apart from that it also makes a huge advertisement for its abilities for those nations like the US who're scouting for just such a trainer for their Naval jocks.