Above pics are from DRDO’s outdoor section. Below are 2 pictures from L&T; section

From Wiki:  Pinaka is a multiple rocket launcher produced in India and developed by the DRDO for the Indian Army. The system has a maximum range of 39-40 km, fire a salvo of 12 HE rockets in 44 seconds, neutralizing a target area of 3.9 sq. km. The system is mounted on a Tatra truck for mobility.

Pinaka saw service during the Kargil War, where it was successful in neutralizing enemy positions on the mountain tops. It has since been inducted into the Indian Army in large numbers.