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Documents JAS TECHNO CONSULTANCY SUITE 6, SHANTINIKETAN BUILDING, 8 CAMAC STREET, KOLKATA- 700 017. email-...

Slide 1 JAS TECHNO CONSULTANCY SUITE 6, SHANTINIKETAN BUILDING, 8 CAMAC STREET, KOLKATA- 700 017. email- [email protected]@gmail.com ph- 9038000003 Slide 2 …

Documents BIGGEST INVENTION by Mankind. Very SOURCE of LIFE . Stepping stone for CIVILISATION .

JAS TECHNO CONSULTANCY SUITE 6, SHANTINIKETAN BUILDING, 8 CAMAC STREET, KOLKATA- 700 017. email- [email protected] ph- 9038000003 BIGGEST INVENTION by Mankind. Very SOURCE…