@Jyoti2 You are not speaking to BT, this is a customer to customer help forum. No one here can help you. You need to call BT on 0800 800 150.
Your equipment, you need to retrieve from your 'friend' because it is you who has to return it, otherwise YOU will incur charges for non return.
Edit: Since the OP posted, any relevant information has been edited from their original post.