This is long overdue. Our northern borders with China are very thinly held. I heard the other day on TV that the PLA has the capability of mobilising up to 250 infantry divisions against us (by virtue of improvements of road/rail/air communications in Tibet). Working on the thumb rule of a 9:1 numerical superiority needed for the attacker in the mountains, even 30 divisions on the LAC would barely suffice. That is of course the worst case scenario, in which PLA pulls out every thing from the Russian borders and deploys it against us. But even at a much lower threat level, an increment of a minimum of 5 to 6 divisions along with 20 -25 artillery regiments, engineer regiments, matching army aviation assets etc will give the LAC a troop density and fire power sufficiently capable of defending against a full scale assault by Chinese Army till such time the reserves can be inducted to restore the situation.
Therefore, the present proposed increments will just about scratch the surface. But, it is a beginning nevertheless. As long as the govt realises the seriousness of the Chinese threat, things will move.