The famous boat race VALLAMKALI is held every year in the backwaters of _____.

Kerala

The correct answer is Option (1) → Kerala

"The backwaters (Kayal) of Kerala has special significance in Inland Waterway. Apart from providing cheap means of transport, they are also attracting a large number of tourists in Kerala. The famous Nehru Trophy Boat Race (VALLAMKALI) is held in the backwaters."