So, as per the said rule you will not get any financial benefit after completion of higher studies.
Even as per recent G.O. No. 37-SE/ES(S)/5P-37/2010 dated 05/01/2012 regrading Additional 2 Increments of Teachers for phD holders, you shall not be benefited after completion of phD. Because as per this order, " ... after having acquired Honours Degree in the regular course and then P.G. Degree in the relevant subject shall get 2 (two) additional increments ... "
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