- DK Shivakumar Bengaluru's home, other locations were raided today
- Taxmen say he channelled funds through Singapore
- He was given charge of 43 Gujarat MLAs flown to Bengaluru resort
Here are the top 10 points on the minister:
Mr Shivakumar, Energy Minister in Karntaka's Congress government, channelled funds through Singapore, Income Tax officials said. Shell firms and their operatives allegedly linked to this case are also being investigated.
The 55-year-old is the Congress' trouble-shooter in Karnataka and was given charge of the 43 party lawmakers flown to Bengaluru from Gujarat to check defections ahead of the Rajya Sabha polls.
He was believed to have rushed back from Singapore after the Gujarat legislators were brought to Bengaluru late on Friday night.
Mr Shivakumar is chairman of Congress' campaign committee for the election in Karnataka next year.
The six-time lawmaker is strong in the Vokkaliga belt in the state.
He is among the richest politicians in the country. According to the Association for Democratic Reforms, Mr Shivakumar has assets worth Rs 251 crore.
In 2013, Mr Shivakumar allegedly used an unusual way of getting back at party colleague GH Prakash for crossing over to the Janata Dal Secular. Mr Shivakumar's supporters allegedly dug up a six-foot deep trench around Mr Prakash's house.
Recently, he sent Rs 50,000 to a family in Madhya Pradesh that was in the news over images of two sisters ploughing a field. He tweeted: "I am sending (a demand draft)... to the Farmer in the hope that he can buy oxen & let his daughters study."
Mr Shivakumar and his family been linked to several cases of illegal mining and transporting granite illegally, and corrupt land deals.
In his affidavit filed for the 2013 assembly election in the state, he said some of the cases against him are linked to forgery, criminal conspiracy, cheating by personification, illegal purchase of property and cheating.