Thiruvananthapuram: Kerala's Finance Minister K.M. Mani on Tuesday resigned over the bar scam in the state, following hectic political parleys all day long here in the state capital.

Addressing reporters at his official residence, the 82-year-old Mani -- who is also the country's longest serving legislator -- said that being the state's law minister, "I have to respect the law and hence I have resigned".