Gem Bids For Gl010700, Acquisition And Processing Board M/s Sigmamicrosystems, Hyderabad Sml-1112-81-031/1.00, Gl020700, Connector Protector Board M/s Sigmamicrosystems, Hyderabad Sml-1112-81-033/1.00, Gl030700, Mother Board M/s Sigma Microsystems, Hyderabad Sml-1112-81-032/1.00