Answer: Tamil Nadu- Kerala
Notes: Mullaperiyar dam is located on the Periyar River in the state of Kerala, near the border of Tamil Nadu. Colonel John Pennycuick was a British engineer who built the Mullaperiyar dam in 1895 in Kerala's Idukki which provides water to 5 districts of Tamil Nadu. Tamil Nadu government will install a statue of Colonel John Pennycuick in the United Kingdom. In Theni district, Pennycuick's birthday is celebrated along with Pongal on January 15.
