Kausik ChandaRuby Abasan, K-99, Bose Para Kamdahari East, Garia, Garia, Kolkata, West Bengal 700084, India
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Asit Kumar Chattopadhyay13, Probodh Mitra Lane, NDDM Ward No - 26, Sarada Palli, Nimta, Kolkata, West Bengal 700049, India
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Jayanta BanerjeeChurch C C Basu, Solicitor & Advocate, 9, Old Post Office Street, 1st Floor, Old Post Office Street, Kolkata, West Bengal 700001, India
Himadri Speciality Chemical Ltd.Ruby House, India Exchange Pl Rd, 2nd Floor, Murgighata, B.B.D. Bagh, Kolkata, West Bengal 700001, India