A former Research and Analysis Wing officer was today arrested by the CBI for allegedly taking a bribe from a businessman on promise to settle a disproportionate assets case against him.

The ex-RAW officer had cited his purported links with a SP-ranked officer in the agency, which was probing the case. The businessman was also arrested and both were produced before a court which remanded them to two days in police custody.

Agency sources said that Nirvikar Singh, former Aide-de-camp of Lt Governor in Chandigarh, who was also facing CBI probe in disproportionate assets case was arrested with businessman Bhupinder Singh for allegedly receiving bribe of Rs 15 lakh on behalf of the SP-ranked officer of CBI.

The sources said that Singh had told Bhupinder that he could settle an ongoing case against him using his contacts with a Superintendent of Police in CBI and had demanded Rs 30 lakh for the same. They said they were nabbed from posh Khan market while first installment of Rs 15 lakh of the alleged bribe was being exchanged this evening.