Glowing tributes were paid by Congress party leaders to the framer of constitution, BR Ambedkar on his 129th birth anniversary. A small programme to offer tributes to the leader was held at Rajiv Bhawan here on Tuesday. After garlanding the portrait of Ambedkar, the Pradesh Congress Committee (PCC) President Pritam Singh said that Baba Sahib Ambedkar was an advocate of a society based on social equality. He said that Ambedkar played lead role in framing the constitution and laid a strong foundation of India.