Protection for vendor as consumer drops phone in water causing defect

Is there any protection for Vendors... I have a shop in hyderabad and received a Consumer forum notice from Orissa. Am I required to go present myself in person in the court in Orissa. this will cost me more than the cost of the device I had sold... Plus it is mentioned on my invoice that we shall oblige by Hyderabad jurisdiction, also the consumer has dipped his mobile in Water and is not covered under warranty as confirmed by Service center, which consumer had himself visited.