In a late night development on Wednesday, the chairman of Kolkata Port Trust RPS Kahlon, a senior IAS officer, was arrested by the Special Task Force (STF) of Kolkata Police from a 5-star hotel in Kolkata on charges of accepting a bribe of Rs20 lakh.

Besides Kahlon, the director of Bharat Calcutta Containers Terminal Limited, DD Jagtap Dattaji was also arrested in connection with taking an illegal gratification of Rs 20 lakh to Kahlon.

"We have arrested Kahlon and Dattaji for accepting and making an illegal gratification. Charges under section 120B of the IPC and section 7, 12 of PC Act 1998 have been slapped against them. The case has been recorded at New Market police station," said a senior official of STF.

A team of officials, led by Joint Commissioner of Police (STF), Vishal Garg and CBI officials interrogated both the individuals over several hoursa 5-star hotel in Kolkata before the STF eventually arrested them. The investigating agency is exploring all corruption angles linked to Kahlon.

Meanwhile, both the accused were taken to Lalbazar - Kolkata Police headquarters and will be produced before the court on Thursday morning.

Kahlon is a 1984 batch IAS officer from the Bengal cadre. As a member of the IAS, he has served the state of West Bengal in various capacities.