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#elementsofsymmetry #isomerism #cbse #wbjee #chemistry #neet #organicchemistryreaction #iitjee #isc #medicalentranceexam #jeemains #medicalentrance #offline centre -Belghoria barrackpore barasat rajarhat Baguihati Rajarhat Baguihati Sealdaha Ballygunge garia Tamluk #for details -9064543951. Guided by Prakash Poria (M Sc,B.Ed)