New Delhi [India], March 21 (ANI): In a boost for Congress ahead of Lok Sabha polls, a sitting MP, two former MPs and a sitting MLA today joined the party at the party headquarters on Wednesday. Danish Ali, who won the last Lok Sabha polls from Amroha as a BSP candidate; former MPs Pappu Yadav and Lal Singh and BJP whip in Jharkhand assembly Jai Prakash Patel joined the Congress. Congress spokesperson Pawan Khera said joining of leaders from other parties will be a continuous process “as winds of change have started blowing”. He pointed out that two sittings BJP MPs, one each from Rajasthan an…