Can I cancel my admission after joining in college during the first ye

Main B.Tech CSE second sem mein hoon main 1st semester &2 semester fees Puri clear Kiya ab main admission cancel karana chahta Hoon aur woh mere documents nahi de rahe yaar, Mujhe Keh Rahi Hai ki aap pure 5 sal ki fees clear karo Aur Hamari family finally stable Nahin Hai To Main Kya Karun Apne documents Wapas lene ke liye plz 🙏help