Dipankar Karmakar is a blog writer, you tuber and working at home base with various business organizations internationally. Currently doing business with online shopping sites. Dipankar Karmakar worked with more than five organizations during a 15years time period with various computer related positions. Dipankar Karmakar graduated with Computer Application (B.Sc with 3 years Computer Vocational Course) from Calcutta University (India). Certificate of Training in SARSS-1 (Camp Arifjan, Kuwait, USA ARMY). (Standard Army Retail Supply System) Reselling of this eBook will be under copyright claim