The Supreme Court is to direct the special court set up exclusively for trying various 2G spectrum scam accused to hold day-to-day trial without any adjournment.A bench of justices G S Singhvi and A K Ganguly said it will pass a formal order on this issue on Monday. The court indicated that it will also appoint senior advocate U U Lalit as a special public prosecutor to assist the court in holding the trial in the spectrum allocation case. The bench indicated its preference brushing aside the Centre's objections to his appointment.The bench also said it will restrain all other courts from entertaining any application or petition linked to the case and all such pleas will have to be filed in the apex court only.The bench also directed the CBI and the Enforcement Directorate to brief the court about their second stage of probe into the scam after the filing of the CBI charge sheet in the case on April 2 in the special court.Meanwhile, Union Home Ministry has asked Mumbai and Delhi Police to provide security to seven people, who have given confessional statements in 2 G scam case. This follows a request for the same by the investigating agencies including the CBI and Enforcement Directorate.Sources said Union Home Secretary G K Pillai had written to both Mumbai Police Chief Arup Patnaik and Delhi Police Commissioner B K Gupta, asking them to provide security to the seven witnesses.The move came amid reports that underworld gangs might try and target these witnesses to subvert the probe.