Sister Nirmala, who led the Missionaries of Charity (MoC) after the passing away of Mother Teresa, died here late last night at the age of 81.Prime Minister Narendra Modi, West Bengal Bengal Chief Minister Mamata Banerjee, Congress president Sonia Gandhi and party vice-president Rahul Gandhi were among a host of leaders who condoled the death of the Padma Vibhushan nun.Born as Nirmala Joshi in Ranchi in 1934, Sister Nirmala succeeded Nobel Laureate Mother Teresa as Superior General of the Missionaries of Charity in March 1997. She had her early education in Patna and joined the order of the MoC in 1976. Sister Nirmala was inspired by the work of Mother Teresa and dedicated herself fully to the service of the poor. She was one of the first nuns to be sent on a foreign mission by Mother Teresa when she visited Panama in connection with the Missionaries of Charity work.An MoC official said Sister Nirmala was suffering from some heart ailment and staying at a Missionaries of Charity home near St Johnâ€™s Church, Sealdah. She was admitted to hospital some time back but again brought back to the MoC home.Her mortal remains have been kept at the St John”s Church for people to pay their last respect.The body would be taken to the Mother House tomorrow and the funeral would take place at 1600 hrs in the presence of representatives of the Vatican.The Prime Minister condoling the death of the Sister, tweeted. “Sister Nirmala”s life was devoted to service, caring for poor, underprivileged. Saddened by her demise. May her soul rest in peace. My deepest condolences to the Missionaries of Charity family on the passing away of Sister Nirmala.”Ms Banerjee visited St John”s Church along with top officials. Earlier she tweeted her tributes, saying the world would miss Sister Nirmala.