Kunal,Sir,
Just thinking it can be also used against shoot and scoot arty systems, BM-21 as counter arty with help of WLRs ?
That would be ideal The possibilities are endless if you use PG kits (that you posted above).
You can use Grads or Pinakas to destroy formation command.HQs right at the onset of hostilities. Thereby, destroying the command and control structure of the enemy.