Preliminary expenses

As per Income tax act -
section 35AD states to write off 1/5 th each year till five succeeding years after the business commenced.

As per companies act-
Preliminary expenditure may be shown in the balance sheet (Schedule II part-1) under the head 'other non current assets'.Amount w/off yearly may be shown under 'other expenses' in 'statement of profit or loss'(Schedule II part-II). Alternatively, fully w/off preliminary expenses in the year of occurrence as per AS-26