Assessment of escaped or under assessed tax

If for any reason any tax payable under this act, has escaped assessment or has been under assessed or assessed at lower rate than the rate at which it is assessable, the assessing authority may at any time within four years from the expiry of the year to which the tax relates, proceed to assess or reassess the tax, as the case may be to the best of its judgment after issuing a notice to the assessee concerned and after making such inquiry as it considers necessary. Provided that the tax shall be charged at the rate at which it would have been charged if such tax had not escaped assessment or as the case may be had not been under assessed or assessed at a rate lower than the rate at which it was assessable. Owners or lessees of- (a) Beauty Parlours (non air conditioned ): 1000 per annum (b) Beauty Parlours (airconditioned): 2500 per m u m (c) Air-conditioned hairdressing Saloons: 2500 per annum (d) Hair cutting Saloons: 900 per annum (e) Air-conditioned Restaurants: 2500 per annum (f) Owner/occupier or lessee of residential hostel of 3 Star category and above: 2500 per m u m (g) Owner/occupier or lessee of residential hostel below 3 star category: 1500 per annum