India hammered arch-rivals Pakistan 5-1 with SV Sunil striking twice in a round-robin league match of the Sultan Azlan Cup hockey tournament in Ipoh Malaysia today.The highlight of the match was four fantastic field goals from India while the other came from a penalty corner conversion. Other goals were scored by Manpreet Singh, Talwinder Singh and Rupinde Pal Singh one each. For Pakistan, skipper Muhammad Irfan converted a penalty corner into a goal. In its four matches so far India has won three games beating Canada, Japan and Pakistan but lost to Australia. India will next play defending champions New Zealand tomorrow.