1. (Verbal Noun) The act of removing, revoking, discontinuing or invalidate something

English: annulment, cancellation,
Assamese: বাতিলকৰণ, ৰদকৰণ, ৰহিতকৰণ

Different POS:

a. Verb-Trans.: abolish, cancel, উঠাই দে, বাতিল কৰ্, লোপ কৰ্...