Section 2(1)(d) in The Employee's Compensation Act, 1923
(d)"dependant" means any of the following relatives of deceased employee, namely:—(i)a widow, a minor legitimate or adopted son, an unmarried legitimate or adopted daughter or a widowed mother; and(ii)if wholly dependant on the earnings of the employee at the time of his death, a son or a daughter who has attained the age of 18 years and who is infirm;(iii)if wholly or in part dependant on the earnings of the employee at the time of his death,—