New Delhi, Aug 9: The victory of BJP President Amit Shah, who makes his debut in Parliament, and Smriti Irani’s re-election from Gujarat give the party political heft in the Rajya Sabha but do not add to its numbers. The Bharatiya Jata Party had already become the single largest group in the Upper House after Viy Tendulkar won the biennial election from Goa, defeating the Congress’ Shantaram ik.