Around 16 lakh tn (1.6 mln tn) of pulses at present under PSS (price support scheme) and the government has asked NAFED to transfer some stocks to buffer as its size is shrinking. The 2.0-mln-tn buffer stock, created two years back amid extreme volatility in prices, has now fallen to 1.3 mln tn as a part of it was disposed due to low shelf life of around two years.