Secretary of Infrastructure and Investment M.T. Krishna Babu will be chief guest during the 16th annual day celebrations in Annamacharya Institute of Technology and Sciences at Boyinapalli in Rajampet on March 22 evening. Principal Director of DST Worldwide Services Rama Evani will attend as guest of honour and Annamacharya Education Trust founder C. Gangi Reddy will preside over the meetinig, AITS principal R. Ramakoteswara Rao said in a statement on Friday.