Answer : 2. "Indian Army"
Explanation :

The Indian Army and Indian Oil Corporation Limited (IOCL) signed a Memorandum of Understanding (MoU) to incorporate green and sustainable transportation solutions. Army Chief General Manoj Pandey and IOCL Chairman Shrikant Madhav Vaidya were present on the occasion. According to the Ministry of Defence, the Army received a hydrogen fuel cell bus, which is the beginning of this collaboration, which aims to promote innovation and advance sustainable transportation.