Japan's Minister of Foreign Affairs, Fumio Kishida, would felicitate Varma at a function on October 31 at the Japanese Embassy, a statement from the Embassy said.
Varma has studied and researched for more than 30 years on India-Japan relations, Japanese diplomacy, history, social affairs and problems, it said.
The Foreign Minister's Commendations are awarded to individuals and groups for outstanding achievements in international fields to acknowledge their contribution to the promotion of friendship between Japan and other countries.