New Delhi, Feb. 9 -- Bidding farewell to members retiring from the Rajya Sabha, Prime Minister Narendra Modi on Thursday lauded the contribution of his predecessor Manmohan Singh to the House and the country, and said he will be remembered whenever democracy is discussed. Singh, he noted, came to vote in the Rajya Sabha on a wheelchair to help strengthen democracy. As he gave his best wishes to retiring members, he expressed the hope they will scale new heights after getting educated in this 'eternal university'....