As per G.O. No. 593-SE / ES/O/B/1M-98/2007 dated 27.11.2007, Rule 6, “Prayers from teachers who have already secured higher qualification observing the procedure mentioned above and who have submitted his / her claim to concerned District Inspector of Schools with a complete set of papers like certificate, resolution of Managing Committee etc. before the introduction of West Bengal Schools (Control of Expenditure) Act, 2005 may be considered only by the District Inspector of Schools (SE) with the approval of Director of Schools Education, West Bengal only after examining the staffing pattern, vacancy positions etc. of the schools concerned.”
Please refer the said G.O. for more details.