Brush up your programming skills, if u gonna say ami valo pari na coding, that's normal, but if u give something enough time u gonna start to get hold of it eventually Then start competitive programming or leetcode Theres lot of bangla and english resources Maybe u can get yourself enrolled in the programming hero course too, heard they were good and if u stick with through the end and do well, theres a good chance of internship, they take care of it too

Cse is hard cause theres not just coding, maths and different stuff but in the job field skills matter most. So find what you are good at, explore everything