It cannot be said that casual workers ·are not covered under the ambit of Employees' State Insurance Act. The employees' work for the day of racing which is perennial activity ... of Royal Turf Club and in view of the provisions of the Act, Rules,Regulations and notification dated 18.9.1978, there is no doubt that such employees are covered arid consequently are entitled for benefit of the Act. [Paras 11 and 12][1056-D-F].