Bid To RAs Corrigendum : Supply Of Musical Instruments - Scale Changer Harmonium With Case And Trolley , Keyboard With Stand And Case , Electronic Tabla Or Tanpura With Cover , Octopad With Stand , Drum Set With Cover , Congo With Cover And Case , Cajon With Case , Dagga , Tabla With Cover , Melodica With Case , Duff With Stand , Manjeera With Cover , Jazz Drums Set With Cover