Lloyd Ac — Not getting cool

Address:

West Godavari, Andhra Pradesh, 534002

I have purchase the Ac on12/3/16 at kakinada in sri aditya refrigeration in east godavari dist but it was installed at eluru in west godavari dist Ap.My AC not getting cool fast as befor ice is forming near the out door unit out let pipes.I contact the eluru service center but they are saying to call the person from where I buy is the ice.please give the salutation for my problem