Biva Shound : 9234668384 : Contact : Said Nagar, L.sarai, Darbhanga, Darbhanga Ho, Darbhanga - 846004
Gaytri Sound Service : 9955646465 , 267960 : Contact : Baidnath Prasad Singh`s House, Hanuman Mandir, Chotaipatti Main Road, Chhotaipatti, Darbhanga - 847337