yaa,briefing to the opposition leader L K advani by the NSA is at the right spirit of the politics.in a democracy opposition has the equal right as the party in power to view and review all developments under progress inside or out of the state.so that through descussion and debate the developments will be purified and the redmain substance will be the best one. which will be for the betterment of the country as a whole.gudluck NSA