Answer : 1. "नीलम संजीव रेड्डी"
Explanation :

The then Speaker of the Lok Sabha, Dr. Neelam Sanjiva Reddy appointed him the Chairman of the Committee of Privileges and he remained in this post till July 20, 1977. Hegde was elected Speaker of the Lok Sabha on July 21, 1977, after Dr. Neelam Sanjiva Reddy resigned from his post to contest the election for the office of President of India.