St Courier — damage of goods during transit

Address:	560102
Website:	stcourier.com

I received a parcel from chennai with consignment number [protected] which was completely damaged. I tried calling all possible customer care number, but nobody even bothered to answer the call.
The parcel which was damaged was worth Rs 1500 containing a water purifier . We have also paid Rs 400 as the courier charges . I would like to raise a complaint regarding this.

Please provide the contact details with whom I can raise a complaint for the improper handling of goods.