ANSWER: R. K. Pachauri
Explanation:
TERI chief R. K. Pachauri has been appointed as Executive Vice Chairman of the body following the charge of DG of TERI being taken by Dr. Ajay Mathur. While Mathur has joined as director general of TERI, Pachauri has been appointed as executive vice chairman with immediate effect according to the TERI governing council. He will be the first to hold this newly created bost. Mother is the former DG of BEE under Power Ministry.