Prime Minister Narendra Modi has expressed grief over the demise of Lok Sabha MP, Balli Durga Prasad Rao Garu.<br />'' <br />''In a tweet, Mr Modi said, he was an experienced leader, who made valuable contributions towards the progress of Andhra Pradesh.<br />'' <br />''<span style="color: #222222;">Prime Minister said, his thoughts are with his family and well-wishers in this sad hour.</span><br />