Nova Udyog Limited — Reg Shares - no information

I purchased/have been alloted 100 shares vide F.no. NU 23136, certificate no. 29565 and distinctive nos. 21049401 to 21049500 on 17th December 1992. But till date neither received any information nor dividend on the shares. Also not showing on BSE. Please help me in getting back the amount or get the status about these shares.