Respected sir, after my first service (2000 km) of grand hyundai i10 vehicle number tn 43 k 1155 in ooty showroom. Recharge of oil done in ooty showroom 3606 km. On 12.10.19. But no acknowledgment / service details is given by showroom after several oral request to the service manager and mechanic. Kindly explain what is security for customer paid for vehicle. I am haapy to clarify anything further in this regard. Kindly do the needful and give me the acknowledgement of service done.