Number of entities, including individuals, who filed income tax returns increased by 6.18 per cent in 2022-23 to over 7.40 crore, of which about 5.16 crore declared zero tax liability, finance minister Nirmala Sitharaman said on Monday.”There has been a 6.18 per cent increase in the number of persons filing Income Tax Returns in F.Y. 2022-23 as compared to persons in F.Y. 2021-22,” she said in the Lok Sabha.