Usha — Fan not working

Address:

Royal Vesta apartment, block E, door no 3E Vayalur main road M. M nagar Trichy

I had purchased 4 fans, 2fans having issues. Both are too much sound and not working in full speed. So kindly I request to you please send Technician for warranty service.
Thank you
S. Kader mohideen
Add: Royal Vesta apartment
Block: E, door no: 3E
Vayalur main road, M.M nagar
Trichy-620102
Cell no: [protected]