Sony — mobile is very bad condition

Address:

Nalgonda, Andhra Pradesh

iam purchased Sony xperia e-dual mobile. its very very bad android mobile.automatic switch off and android processor very slow.and so many problems in mobile.then company is very help less.then finally its my demand is replace mobile and contact some one has company persons..plz help consumer forum...its clear my problem.so requested pls clear my problem mobile hands...