Former R&AW  chief Alok Joshi will be new  chairman of the new National Security Advisory Board.He is former 1976 batch IPS officer of  Haryana cadre.He will lead the seven-member board comprising retired officers from the armed forces, police service, and foreign service.Former Western Air Commander Air Marshal PM Sinha, former Southern Army Commander Lt Gen AK Singh, and Rear Admiral Monty Khanna all from the military services now part of the board.Two retired IPS officers Rajiv Ranjan Verma and Manmohan Singh - and B Venkatesh Varma, a retired officer from the Indian Foreign Service, are also part of the revamped board.