Dell India — Delayed delivery and even status not available when it will be delivered

I have booked the Dell Vostro 5410 on 11 May. it shows the status as
Shipped - 19 may
Expected delivery- 15th June

Its way past the delivery date nbot repsonse from Dell team. i am in dark about the status money already paid.

Can i get the information on when it be delviered?
Else how do i cancel the order if Dell is not capable of delivery before taking money from customer.