The farmers' union had been camping at the Dalit Prerna Sthal since December 2, demanding withdrawal of the three new farm laws, legalisation of minimum support price (MSP) for crops and implementation of the recommendation of Swaminathan Committee's report.
Prime Minister Narendra Modi on Friday squarely blamed those with political agenda for the deadlock in the Centre's talks with protesting farmers.
Bir Singh Yadav, from Bahlolpur village in Noida, enacted the "symbolic suicide" at the Dalit Prerna Sthal where he has been camping along with scores of protestors belonging to the Bharatiya Kisan Union (Lok Shakti).
'Mann's decision is a welcome move. The other three members of the panel, who have shown pro-new farm laws stance should also follow Mann's suit'
The letter by Singh, who is camping at the Dalit Prerna Sthal in Noida along with his faction members since December 2, came as protestors marked the birth anniversary of former prime minister and farmers' leader Chaudhary Charan Singh.
BKU (Bhanu) president Thakur Bhanu Pratap Singh told reporters he was deeply pained by whatever happened during the tractor parade in Delhi on Republic Day.