Anything which cannot be on the front of an armour thrust into enemy territory is not a tank.
It's Tanks followed by IFVs supported by APCs/Recons/Engineers.
Can this be used against a direct thrust against a Chinese Tank/armour formation? If not, then it's an Infantry Fire Support Vehicle.
It's meant to support the infantry, not armour. It is meant to be used in places where enemy battle tanks cannot operate.
APS is a must for survivability of this Tank. Let's hope that it proves effective against the Chinese Type-15. We also need T-72 and T-90 with uprated engines to work properly at high Himalayan altitudes.
Will this light Tank use the NG-ERA developed by DRDO? If yes, then its armour protection should suffice(not too sure though!).
Gottta give it more time for info to come out. Everything today is just speculation based on existing designs like the K-21/105.