Calcutta, Aug. 9 : A portion of a building, housing the Bidhannagar Swimming Association in Salt Lake, has not been sanctioned, sources claimed on Friday. The two-storeyed club building, in BF Block, housing a gymnasium, an accounts office and the staff quarters of the club, has stirred a hornet's nest, with senior club members alleging that the building plans have not been sanctioned. 'The new building, where the gymnasium has been set up, is illegal. Moreover, the original building's construction plan, too, cannot be located in the planning department or any other department of the state government,' a member told Metro. The club, which has around 2,000 annual members and over 5,000 seasonal members, is celebrating its silver jubilee this year. The controversy over the building's sanction is likely to hot up during the annual general meeting of the club, to be held on August 11. Dilip Gupta, chairman of Bidhannagar Municipality, who is also president of the swimming association, feels the controversy is unnecessary. 'Those who are raising the question of the building plans should not be associated with the club at all,' he said. According to him, the erstwhile Metropolitan Development Authority constructed the building and the land belongs to the urban development department. 'The swimming club is a tenant on a lease basis. The property belongs to the government and was constructed during the time of the notified area authority. Later, the notified area, under the enactment, was converted into the municipality,' Gupta said. He added that the club is taking up some development projects in the future. 'Surely that will be done in compliance with rules and laws,' he added. Prasenjit Dutta, secretary of the club, said: 'We hope to regularise things as soon as possible. The development work will be done in proper manner.' Sabyasachi Dutta, Trinamul Congress councillor of ward 10, where the building is located, said the matter needs to be settled immediately. 'I had protested about such irregularities. However, things are yet to be settled,' said the councillor, also a member of the club. Apart from the club building, members are also irked over the installation of a deep tubewell on the premises two years ago. 'The soil in Salt Lake is sandy and when the pipe of the deep tubewell becomes porous, it will suck in soil and water, endangering the neighbouring buildings,' a senior member alleged.