সিদ্ধিলতাসিদ্ধেশ্বৰ সিদ্ধু (Assamese) [ Roman: xin.dhu]Contributed by: Bikram M Baruah on 2010-01-31 1. (Proper Noun) A major river of South Asia. English: sindhu, Assamese: সিদ্ধু