New Delhi, Mar 04 (ANI): Former Lok Sabha speaker PA Sangma breathed his last in the national capital on Friday following a heart attack. Prime Minister Narendra Modi took to his Twitter handle to express grief over Sangma's demise. He tweeted, "Shri PA Sangma's tenure as Lok Sabha Speaker is unforgettable. His down to earth personality and affable nature endeared him to many." Praising the leader, PM Modi tweeted, "Shri PA Sangma was a self-made leader whose contribution towards the development of the Northeast is monumental. Saddened by his demise." Lok Sabha Speaker Sumitra Mahajan said that it wouldn't be wrong I f she says that she learnt to handle the proceedings of the House from Sangma. The former Meghalaya chief minister was elected to the Lok Sabha eight times since his first entry to the Lower House in 1977. He was the Lok Sabha Speaker between 1996 and 1998.