68-year-old Sangma, who was elected nine times to Lok Sabha from Tura in Meghalaya and who became the first Speaker from the North East, breathed his last here this morning.
The news of his death was broken by Lok Sabha Speaker Sumitra Mahajan, who made obituary reference to him and adjourned the house for the day as a mark of respect.
Later setting aside protocol, the Rajya Sabha also adjourned after lunch for members to pay homage to Sangma, whose body will be taken to his home in Meghalaya.
In the 11th Lok Sabha, shortage of numbers forced the BJP to accept Congress candidate Sangma as Speaker after Atal Bihari Vajpayee was sworn-in as Prime Minister at the head of a short-lived 13 day government.
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An affable and convivial personality, Sangma had friends across parties. After a long stint in the Congress when he became a minister of state in the Rajiv Gandhi government in 1984, he later rose to become the Labour minister in Narasimha Rao's Cabinet.
Later, he split with the TMC and formed his own National People's Party on whose ticket he was elected to the current 16th Lok Sabha.
In 2012, Sangma exited from NCP to become the official candidate of BJP against Pranab Mukherjee in the Presidential elections.
He was also the Chief Minister of Meghalaya from 1988 to 1990 and Leader of Opposition in the assembly from 1990 to 1991.
Condoling the death of Sangma, Prime Minister Narendra
Modi said he was "a self-made leader whose contribution towards the development of the North East is monumental. Saddened by his demise".
Sangma's tenure as Lok Sabha Speaker "is unforgettable. His down-to-earth personality and affable nature endeared him to many," he said, adding "Sangmaji was deeply influenced by Netaji Bose".
Born on September 1, 1947 in village Chapahati in the picturesque West Garo Hills District of Meghalaya, Sangma grew up in the small tribal village and struggled hard to rise in life.
One of the founding members of the Nationalist Congress Party (NCP), Sangma was expelled from it in July 2012 when he refused to accept his party's decision to quit the race for India's President. In January 2013, he had formed the National People's Party.
A multi-faceted personality, Sangma in 2004 split the NCP and merged his faction with Mamata Banerjee's Trinamool Congress, forming the Nationalist Trinamool Congress.
As Speaker, Sangma was known to disarm agitated members with his spontaneous wit, affable disposition and a sense of impartiality.
In less than two years, the Janata Party went out of office and the Charan Singh government lasted but a few months.
In the mid-term Lok Sabha elections in 1980, the Indira Gandhi-led Congress returned to power at the Centre and Sangma was re-elected from the same constituency.