Implementation of the Nutrient Based Subsidy (NBS) Policy for Phosphatic & Potassic (P&K) fertilizers w.e.f. 1.4.2010 - Inclusion of NPKS complex fertilizer grades viz. 13-33-0-6S, MAP Lite 11-44-0-0 and DAP Lite grade (II) 14-46-0-0 w.e.f. 30.8.2011.