S. 234B : Interest-Advance tax-Waiver of interest-Bonafide belief based on the basis of judgements of Tribunal or High Courts at the time of filing of return-Matter remanded to CBDT to consider if the assessee is able to show existence of any s judgment of Tribunal/High Court though not necessarily of jurisdictional Tribunal/High Court, no interest was to levied upon assessee. [S.80HHC, 119, Art, 226]