S. 192 : Deduction at source-Salary-Diversion of income by overriding title – Salary of teachers of Christian Institutions paid by State Government – Teachers paying their entire salaries to Church – Salaries not diverted at source by overriding title – State Government is bound to deduct tax at source on salaries-Central Board of Direct Taxes – Circulars -Circulars issued before independence of India – Subsequent circulars overriding earlier circular – Exemption granted under old circular is not binding on Revenue-SLP of assessee is dismissed.[S. 4, 5, 15, 192A up to 194LBB, Art. 136]