New Delhi, May 26: Union Home Minister Amit Shah on Tuesday announced that the Centre has constituted a high-level committee under retired Supreme Court judge Justice Prakash Prabhakar Naolekar to assess demographic changes across India due to "illegal immigration and other unnatural causes". In a message on 'X' in Hindi, he said infiltration and other reasons are causing "unnatural" demographic change, which poses a significant challenge to the present and future of any nation. "To address this very challenge, on August 15, 2025, Prime Minister @narendramodi ji had announced the 'high-level committee on demographic change'.