Contact Us >> Address : 11/A , B.T. Road , Kolkata -700056. Contact Person : Pradip Dutt Phone No : (033) 25649068 / 25443160 Mobile : +91-9831459838 / 9433669267 Fax : 033-25649068 E-mail : pradip.dutt@rediffmail.com Website : http://www.duttnco.com