The Delhi Grain Merchants Association on Wednesday threatened to stop purchasing fresh stocks of food grain if the state 'government continued its raids in shops. DGMA president 0 P Jain warned that their decision not to buy fresh stocks might result in spiralling prices due to grain scarcity. Jain said food grain traders were being targeted in the name of hoarding despite "prices being under check." "We cannot be blamed for scarcity and increase of prices of food grains in coming days as the government does not want us to keep stock," Gupta said.