Kolkata, Oct 28 : The Central Bureau of Investigation (CBI) last night conducted a raid at the residence of Ashok Todi, the father-in-law of computer graphics teacher Rizwanur Rehman who was found dead last year after a month of his marriage.

The Special Branch of CBI conducted a raid in search of Ashok Todi, his brother Pradip Todi and brother-in-law Anil Sarogi against whom non-bailable arrest warrants were issued by the court on Monday.

However, none of the three were found in the residence, CBI sources said.

According to CBI sources, a red alert has been issued to all airports and major railway stations against Todi''s and their brother-in-law to prevent them from escaping from the country.

A city court on Monday observed that the non-appearance of Todi and two others despite summons was nothing but an attempt to drag on the proceedings. 

Rizwanur had married Priyanka under the Special Marriages Act on August 18, 2007. 

Rizwanur''s body was found on the railway tracks between Bidhannagar Road and Dum Dum Junction on September 21, 2007, almost a month after his marriage to Priyanka, the daughter Ashok Todi. (ANI)