The Supreme Court upheld the Calcutta High Court order that the CBI will investigate whether leaders Bengal's ruling party, Trinamool Congress, accepted cash as bribes, as alleged by a news portal, Narada, that filmed the alleged corruption..The top court extended time given to the CBI to investigate - from 72 hours to one month - and strongly criticised the government of Mamata Banerjee for appealing against the CBI probe. (Video courtesy: Narada News)