Answer : 3. "पशुपति"
Explanation :

The main male deity was Pashupati who was depicted in the seals and is surrounded by 4 animals which are a tiger, a rhinoceros, an elephant and a buffalo and 2 deer at his feet. The people of the Indus Valley worshiped the Peepal tree, a sacred tree. They also performed fire puja called Havan Kund.