Former Indian finance minister Palaniappan Chidambaram has been arrested on charges of corruption and money laundering. He is being investigated over allegations that he cleared foreign investments in exchange for bribes while he was finance minister. Mr Chidambaram, 73, has denied the allegations. Mr Chidambaram is accused of clearing foreign direct investment worth tens of millions of dollars to the INX Group in 2007 when he was finance minister. Karti Chidambaram allegedly received kickbacks from INX at the time that the investment was cleared by the finance ministry.