Kolkata: The descendants of Rani Rashmoni will write to the general manager Metro Railway to take proper steps to repair the cracks that have come up on the 215-year-old heritage building.Earlier, they had requested the Metro Railway authorities to conduct hydrographic survey of the 215-year-old structure that developed cracks due to the use of boring machine for the construction of the underground tunnel of the East-West Metro. The construction of the affected building at 13, Rani Rashmoni Road began in 1790 and ended in 1804. The descendents felt that proper precaution should have been taken before the construction of the underground tunnel. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataPrasun Hazra, one of the descendents of Rani Rashmoni, said the cracks that have appeared on the rood and verandah have widened as they have not been repaired properly. “Water is sipping and the old structure is under serious threat,” he said adding that the metro rail authorities should have conducted a thorough survey before staring the work of the underground channel. He said hydrographic survey had been conducted at Dakshineshwar temple at the time of repairing the embankment. The survey was conducted by the Kolkata Port Trust. He said repairing of the cracks should be carried out in an orderly manner and under proper supervision. Also Read – Lightning kills 8, injures 16 in stateRani Rashmoni’s house is a witness to major historical events. There are four buildings at Janbazar. Michael Madhusudan Dutt, who was a barrister-at–law by profession, had visited the house in connection with a law suit. Ishwar Chandra Vidyasagar, who used to call Rani Rashmoni pishima (aunt), and had come to attend Durga Puja celebrations there. His presence was not liked by many guests, who refused to take food with him, as he was in favour of widow remarriage. Sri Ramakrishna, who was close to the family particularly to Mathur Mohon Biswas, Rani’s son-in-law, came to the house during Durga Puja and worshipped goddess Durga as “sakhi.” He intervened when Mathur Mohon refused to immerse the idol.