ITANAGAR, February 1: Lalit Sharma, a 1971 batch IAS officer of Arunachal-Goa-Mizoram Union Territory (AGMUT) cadre, has joined here on Monday last as the Chief Secretary of the State. Sharma succeeded PM Nayar, who had gone to Delhi on promotion as the Central Government secretary for science and technology. Sharma's last posting was at Andaman and Nicobar Island.