1)YOU CAN ALWAYS LAUNCH A COMPLAIN IN THE POLICE FOR CHQ BOUNCE(IT IS A OFFENCE)
2)YOU CAN TRACK THE CHQ IN THE COURIER COMPANY,ALSO CHECK WHETHER MONEY HAS BEEN DEDUCTED FROM YOUR ACCOUNT,IF YES,THAN THAT MUCH PROOF IS ENOUGH FOR EBAY TO FILE A "ITEM NOT RECEIVED DISPUTE". AND YOU MAY RECEIVE YOUR MONEY BACK.
REMEMBER YOU CAN GET AN AMOUNT OF RS 9950/-(MAX) FROM EBAY,GENERALLY IT IS 10,000 BUT 50/- RS IS THE SERVICE CHARGE.
REGARDS,
ATUL