A grateful nation today paid rich tributes to Bharat Ratna Dr. Bhim Rao Ambedkar on his 119th birth anniversary. <br/><br/>President Mrs Pratibha Devisingh Patil, Vice President Mohammad Hamid Ansari, Speaker Mrs Meira Kumar , Leader of the opposition Mrs Sushma Swaraj, Congress president Mrs Sonia Gandhi, Senior BJP leader L K Advani and former Prime Minister H D Deve Gowda led the nation in paying floral tributes to the Father of the Indian Constitution at the lawns of Parliament House. <br/><br/>The leaders also paid floral tributes to the portrait of Baba Saheb at central hall of Parliament. <br/><br/>Several functions are being organised in different parts of the country to mark the occasion.<br/>