The complaint is partly allowed. The opposite parties nos. 1 and 3  are directed to replace the gear box with a new one. So also to carry out any other repairs and replacements that may be required to be made inorder to make the vehicle completely road worthy. The cost for all the above are to be borne by the opposite party no. 1. A fitness certificate of the vehicle is to be issued to the complainant. Towards mental suffering and inconvenience caused the opposite party No 1. shall pay a sum of Rs.25,000:00 with 9% interest from the date of filing of this case till its realization. The opposite parties 1 and 3 shall jointly pay costs of Rs. 10,000:00. The same shall be carried out and the vehicle delivered to the complainant within thirty days of the receipt of this order.