For supply of articles or stores or for execution of works and services with estimated value not exceeding Rs. 10 lakh, Minimum period for submission of tender from the last date of publication is 7 days. https://wbxpress.com/new-purchase-policy/
Is this order Subject to the special rules or order or procedure that may be prescribed by the Government in respect of a particular department, open tender shall invariably be invited for the supply of articles or stores or for execution of works and services worth Rs. 1,00,000=00 or more. But major gram panchayat and even some panchayat samity are not maintenance this orders.