Guwahati, May 14 -- Congress leader Pawan Khera on Thursday arrived at the Crime Branch Police Station in Guwahati, in connection with the passport controversy linked to Assam Chief Minister Himanta Biswa Sarma's wife Riniki Bhuyan Sarma.

Speaking to reporters outside the police station, Khera said he was cooperating with the probe. "The investigation is underway, and I am cooperating in it," he said.

The controversy erupted after Congress leader Pawan Khera, in an April press conference, alleged that CM Sarma's wife, Riniki Bhuyan Sarma, holds three passports, from India, the UAE, and Egypt, and owns undisclosed luxury properties in Dubai, along with a company in Wyoming, USA.

The Sarma family has strongly denied these claims, terming...