Information - Benefits | Employee's State Insurance Corporation, Ministry of Labour & Employment, Government of India
If a workman is medically unfit and getting continuous treatment under ESIC, allowing him medical rest, he will remain eligible till completion of treatment (medical fitness) irrespective of his zero contribution, subject to his entitlement at the beginning of the treatment.
His entitlement will be checked when once he get fitness and again requires general sickness benefits. However, in case of injury during the course of discharging his duties, he will again be entitled.
P K Sharma