India put up a quality display to thrash arch-rivals Pakistan 6-1 in a fifth-eighth classification match of the Hockey World League Semi-Final here on Saturday. Ramandeep Singh, Talwinder Singh, Mandeep Singh and Harmanpreet Singh found the back of the net for India, who crashed out of the podium race after suffering a 2-3 loss to Malaysia in a quarter-final on June 22.