From two consecutive sessions (2008-09 and 2009-10) results indicated that three times application of Dursban 20 EC @ 5ml/lit of water around the root zone starting from 45 days after sowing of potato tuber at 10 days interval gave the lowest tuber infestation (17.28% and 10.68%) closely followed by 3 times application of Sevin 85 WP @ 3 gm/lit of water (20.14% and 13.73%). Both the season the highest infestation (46.41% and 75.06%) was recorded from the control treatment (Table 1 and 2).