depreciation was allowed in earlier years. 34 I.T.A. No. 1749/Kol/2016 C.O. No. 64/Kol/2016 A/o. I.T.A. No. 1749/Kol/2016 Assessment Year: 2008-09 I.T.A. No. 1750/Kol/2016 C.O. No. 65/Kol/2016 A/o. I.T.A. No. 1750/Kol/2016 Assessment Year: 2009-10 I.T.A. No. 1829/Kol/2016 C.O. No. 66/Kol/2016 A/o. I.T.A. No. 1829/Kol/2016 Assessment Year: 2010-11 I.T.A. No. 1830/Kol/2016 C.O. No. 67/Kol/2016 A/o. I.T.A. No. 1830/Kol/2016 Assessment