S. 79 : Carry forward and set off losses-Change in share holdings-Companies which public are not substantial interested-Beneficially held more than 51 per cent of voting powers in both the years-The year in which the loss is incurred and the year in which the loss is sought to be set off-Share holding of one share holder is increased from 40 percent to 85 percent-Set off of brought forward losses is allowable.