Hi

Hope you are doing well.

You can join ncc even if your college does not have it.There is a provision for that. Students who desire to join ncc have the provision of open category, the students need to approach the commanding officer of nearest ncc unit. So you can avail the training from institutions from that are already ncc units.But you have to follow certain conditions-

1. The educational institution in which the student is studying should not be having NCC.
2. The educational institution in which the student is desirous of undergoing NCC training should be placed under an NCC unit that has been declared an “Open Unit” by the Competent Authority.

All the detailed information is given in the official website -

https://indiancc.nic.in/how-to-join/