The validity of a wide range of powers granted to the Enforcement Directorate under the amended law against money laundering -- challenged by nearly 250 petitions -- will come up for a decision before the Supreme Court today; Congress President Sonia Gandhi's questioning on money laundering allegations linked to the National Herald case is likely to end today, sources in the Enforcement Directorate said today; Adding to the series of schoolgirl deaths in Tamil Nadu over the past couple of weeks, a Class 11 student was found dead at her home in Sivakasi yesterday and other top stories