Xiaomi India — Too much service delay

Address:

Boring Road, Patna

I submitted my POCO X3 PRO 8GB in the service center on 21 March and have yet not gotten it back, it's the 26th day. They offered me Redmi Note 10 pro, saying that the Poco x3 pro was not available. So I accepted that offer but after 18 days they said that Redmi note 10 pro 8GB was also not available. So they gave me another offer of Redmi note 10 pro 6GB and a mi band 4 and said that if I accept this offer I will get these in a week. I am still waiting. I am a student out of my home town living in a hostel. It's so hard to contact my parents as you can't always ask someone else for the phone. My father is scolding me that why they are not giving you the phone. What should I do?
HELP ME

Job sheet number:- WXIN[protected]