Phostoxin used at the rate of 2 to 3 tablets in hills and 5 tablets in plain areas per burrow gave 100% mortality of porcupines. Cyanogas A dust applied at the rate of 225 grams in hilly areas and 450 grams in plains gave 50% kill of porcupines hence required 2 to 3 repeated treatments for complete control. Potassium cyanide applied to apples in cuts at the rate of one gram also proved very effective. Poison baits prepared with Zinc phosphide, sevin and Recumin were not eaten at all.