11 February 2010
1. Central Board of Director tax 2. Chief commissioner or director General of income tax 3.commissioner or director of income tax 4. Additional commissioner or additional director of income tax 5. Joint director of income tax 6.deputy commissioner or deputy director of income tax 7. Assistant director or commissioner of income tax 8. Assessing officer 9. Tax Recovery officer 10. Insector of income tax
11 February 2010
hi himanshu... AS per Section 116 of the Income Tax Act, its as under:
C B D T  Director General of I.T (DGIT) / Chief Commissioner of I.T. (CCIT)  Director of I.T. (DIT) / Commissioner of I.T. (CIT) / CIT(A)  Addnl. Director of I.T. / Addnl. C.I.T. / Addnl. C.I.T.(A)  Joint Director of I.T. [JDIT] / Joint Commissioner of I.T.[JCIT]  Deputy Director of I.T. [DDIT] / Deputy Commissioner of I.T.[DCIT]  Assistant Director of I.T. / Assistant Commissioner of I.T. (ACIT)  Income Tax Officer [I.T.O.]  Tax Recovery Officer [T.R.O.]  Inspector of I.T.