TONSURE.
In most families the first tonsure of the child will be done before the family diety tirupathy., palani, thiruthani etc; or in some other dieties. this can be done before the completion of the first year or immediately after. As this being a vow on completion of the ceremony samaradhanai will be held. the baby will be gifted with a new dress.for this occasion. you may do from 9th month onwards.