Section 473(b) in The Gujarat Provincial Municipal Corporations Act, 1949
(b)if such person is not found, by leaving the said notice, bill, schedule, summons or other documents at his last known place of abode in the City, or by giving or tendering the same to some adult member or servant of his family, or by leaving the same at his usual place of business, if any, or by giving or tendering the same to some adult employee, if any, of his at such place; or
