We allow the appeal partly with no order as to costs and direct the OPs to replace the gear box of the vehicle within a period of 30 days with the same warranty as before in lieu of refund of price ordered by the Lr. District Forum, in terms of prayer (a) of the complaint. The other reliefs granted by the Lr. District Forum to the complainant will remain unaltered. Replacement of the gear box to be done by the OPs jointly and severally within aperiod of 30 days.