If you are studying in a college which does not have AICTE approval then your graduation degree will not be valid. It will not only affect your higher studies, it will also be difficult for you to get a job. But, if you are directly studying (NOT affiliated) in a UNIVERSITY (not college) which has UGC approval then you don’t need to worry about AICTE approval. Because, COLLEGES need AICTE approval compulsorily, UNIVERSITIES do not require AICTE approval. If you are currently studying in a college without AICTE approval, don’t be depressed, just leave the college and join any other college which has AICTE approval.