Parikh told the court that despite the setting up of the nodal agency by the Centre, it has not been effective in stopping the offending material being displayed on the internet and that the search engines were not removing the objectioble material on their own. However, Additiol Solicitor General Pinki And told the court that on receiving a complaint, the nodal agency takes steps and interacts with the representatives of search engines and objectioble materials are removed. The counsel appearing for the search engines said that it was difficult for them to removd the objectioble material on their own without a complaint as there are several permutations and combitions available for search. George had moved the top court seeking curbs on advertisement commercially promoting sex determition techniques/kits and other related things which has contributed to eschewed sex ratio. (IANS)