Hyundai Motor India — Huge delay in car repairing

Address:

Ghaziabad, Uttar Pradesh, 201010

This is to hereby in form that I have submitted my grand i10 for repairing on 6th april at MR hyundai, sahibabad.
Its been 20 days and still all they are saying is "spare parts are not available".

This is totally not acceptable, i have imp work which is impacting due to this delay.

I can't understand how come spare parts can't be arranged in 20 days. Please take immediate action on this.

Car number UP 14 CH7949.

Thanks,
Atul