Answer : 1. "Narmada River"
Explanation :

Dozens of exotic birds and animals recently shifted to Gujarat's Sardar Patel Zoo near the Statue of Unity have died in the last two years. The 182 meter high statue, dedicated to Sardar Vallabhbhai Patel, is located on Sadhu Bet Island on the banks of the Narmada Dam in Gujarat. Built by Larsen & Toubro and designed by Ram V Sutar, the statue honors the 'Iron Man' of India. The Gujarat government funded the Rs 3,050 crore project, which covers an area of 20,000 square meters and a surrounding 12 square kilometer artificial lake.