Justice Kalidas Mukherjee, one of the two Calcutta High Court judges who upheld the death sentence of don Aftab Ansari in the 2002 Amercian Center case, has received a threat letter following which his security has been enhanced, police said today.
The Calcutta High Court on Friday upheld death sentences for key accused Aftab Ansari and close aide Jamiluddin Nasir convicted of involvement in a 2002 attack on American Centre in Kolkata in which six policemen were killed.