We share important questions , books , old papers , model papers and all other tips & tricks for Departmental Promotion examination preparation in Postal Service.
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The Vice President, Shri M. Venkaiah Naidu unveiling the plaque to inaugurate the Facility for Research in Experimental Nuclear Astrophysics (FRENA) at the Saha Institute of Nuclear Physics, in Kolkata on June 28, 2018.
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