Barin Ghosh, J.: This writ petition is by four petitioners. The petitioners are challenging the decision of the respondent Corporation to levy conservancy charges at the rates of Rs. 8,000/- and Rs. 12,000/- for large premises let out for ceremonial functions having open space including garden exceeding 1000 sq. ft. and 2,500 sq. ft. respectively. In paragraphs 2, 3, 4 and 5 of the petition, the petitioners have alleged as follows:

“2. your petitioner No.1 is in lawful occupation of a portion of premises No. 24, Camac Street, Kolkata 700 017 and is entitled to hire out and let out the same, inter alia, for the purpose of holding functions.

3. Your petitioner No.2 is one of the co-owners of premises No. 4A, Short Street, Kolkata 700 016 and is entitled to hire out and let out the same, inter alia, for the purpose of holding functions.

4. Your petitioner No.3 is the owner of premises No. 38, Ballygunge Park, Kolkata 700 019 and is entitled to hire out and let out the same, inter alia, for the purpose of holding functions.

5. Your petitioner No.4 is the owner of premises No. 13/1, Ballygunge Park, Kolkata 700 019 and is entitled to hire out and let out the same, inter alia, for th