Vice President Hamid Ansari and Prime Minister Manmohan Singh on Monday paid tributes to former West Bengal chief minister Jyoti Basu, whom they described as a great patriot and an eminent statesman. Both Ansari and Dr Singh visited the AKG Bhawan, the Communist Party of India - Marxist headquarters at Gole Market in New Delhi, at approximately 11 am and paid floral tributes to the departed leader. They were received by CPI-M Politburo member Sitaram Yechury.