On behalf of the respondents,it is contended that the appellant had been managing the canteen up to the year 1982 and thereafter introduced the contract system for maintaining the canteen so established; that though the management of the canteen had been entrusted to the contractors from time to time,the personnel employed in the canteen were retained by all the contractors and they have been paid salaries through contractors; that the workmen employed in the canteen have been provided with ESI benefits under the Code No.VST,the appellant,and benefits arising under the Employees Provident Funds Act are also provided similarly; that the appellant has also provided a building along with furniture,utensils,cutlery,gas,electricity,water supply and other facilities; that the contractor is engaged only to prepare the food and serve it to the employees and that the quality of the food and the rates are controlled by the management of the appellant