The Assam police has sealed three offices of the Popular Front of India, PFI in the state following the decision of Centre to ban the outfit for 5 years. Senior police officials said that the sealed offices were located at Guwahati, Karimganj and Baksa.<br />''<br />''The NIA and police have arrested 37 leaders and members of the outfit so far in the state. Police said that investigation against the PFI would be continued in Assam. <br />''<br />''<br />''<br />