Flipkart — I'm complaing about ac,order id-OD[protected]

Address:

HOUSE NO -301 , BANK COLONY , OM NAGAR , AURAIYA OM NAGAR , AURAIYA, Near PITAMBRA HOSPITAL Auraiya Uttar Pradesh - 206122

I had ordered an ac from flipkart, ordered that ac on 10th July, I ordered Panasonic's 5star rating ac but 3star ac was delivered I requested for replacement but it has been 12 days for me to do this, I almost call 10- 12 times to the customer care support but till now I have not got any solution for it.and the given date has been exceed