CALNESTOR was incorporated in August 30, 2016 with a vision to Strengthen the Engineering Ecosystem. It has designed & developed ENGGtalks – India’s #1 Cloud based Platform for Techno Professional Networking and Collaboration across Academia, Institutes, Industries, Societies and Organizations.
It offers cutting edge solutions to adopt Collaborative & Blended Learning for Education, Training, Orientation and Knowledge Retention and to leverage effective Networking, Career enhancement & Business development opportunities.

CALNESTOR is the Community Learning Partner of The Institution of Engineers (India), which is the largest multi-disciplinary professional body of Engineers in India with 15 engineering divisions, promoting the advancement of science and practice in different field of engineering. ENGGtalks hosts the Official Community of IEE with 1.2 lacs of corporate members across 120+ State, Local Centres and Overseas Chapters.


  • ENGGtalks
  • A. Networking Solutions
    • a. Virtual Engineering Networks
    • b. Official Community and Virtual Workplace for Organizations
    • c. Interest based Groups & Events
    • d. Instant Messaging & Live Chats
    • e. Opinion Polls
  • B. Technical Solutions
    • a. Mock Tests, Interactive Courses with Virtual Classroom
    • b. Technology Newsroom
    • c. Technical Video Library
    • d. Technical Documents
    • e. Multi Disciplinary Discussion Forums
    • f. Technical Blogs
    • g. Cloud Storage
  • C. Talent Solutions
    • a. Profile Portfolio
    • b. Professional Resume Builder
    • c. Technical Job Listing
  • D. Marketing Solutions
    • a. Engineering Product Listing, Cataloguing & Profiling
    • b.Direct Advertisements
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  • Spread the entire gamut of solutions to

  • A. Engineering Academia (approx. 10,000 degree engineering, polytechnic colleges and ITI in India)
  • B. Engineering Small & Medium Enterprises (approx. 42.5 million in India)
  • C. Engineering & Technology Professional Societies & Institutions (approx. 40 in India)


  • • Recognized as "Startup" under Startup India Program, by Dept. of Industrial Policy and Promotions, Govt. of India (Certificate No.: DIPP11619)
  • • Recognized as "Top 3000 Startups in India" under Smart Fifty Program, by IIM Calcutta Innovation Park, in association with Dept. of Science & Technology, Govt. of India/li>
  • • Appreciated as "Top 50 Startups in Eastern India" under Y4BIZ Program, by U.S. Consulate General in association with University of Texas, Global Entrepreneurship Summit & Banglanatak.com
  • • Recognized as "Top 5 Startups" under ICC Startup Pad 2018 Program, by Indian Chamber of Commerce in association with American Center, Kolkata



SANDIP BORAL (Founder & CEO) is a Technopreneur and Innovator, conceived the original idea, designed and developed the Product and conceptualized the business. He is a passionate & energetic Techie, fully responsible for technology development, system administration, technical support, digital marketing, content development, marketing & brand building, business development & networking, finance and corporate affairs of the Company.
He graduated from University of Kalyani, WB, in 2004 with B.Tech Degree in Electrical Engineering. He started his career as a Research Fellow in Jadavpur University, Kolkata for development of Wireless Sensor Network in underground coalmines environments.
He served MECON Limited, Govt. of India for 10+ years as Senior Design Engineer, having industry experience in Design, Engineering, Consultancy and Project Supervision, successfully executed various green and brown field projects in Power, Steel & Metal sectors.