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Retired HOD Physics and Chemistry, St Francis School, Amritsar

  • Physics
  • Chemistry
  • Science
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01Profile

About the author.

V.K. Sally is HOD Physics and Chemistry (Retd.), St Francis School, Amritsar. He has spent nearly 4 decades, teaching students from Punjab Matriculation High School, Senior Cambridge O level, ICE and CBSE schools. He has 32 years of experienced authorship behind him, having written approximately 30 academic books.

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