Tech Day Final puzzle

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Across
  1. 2. A protein synthesized from fish scales used for wound healing and as a beauty product.
  2. 5. Non-contact transportation technology used in high-speed mass mobility
  3. 6. Critical Raw material for EV
  4. 8. - Only Indian made armoured vehicle used in WW 2
Down
  1. 1. An ecosystem created within Tata Grp of companies to work on the EV
  2. 3. Which covert nuclear operation signifies the Technology day celebration
  3. 4. A promising technology towards building a sustainable steel industry
  4. 7. - Major toxicant in effluents and a popular fast acting poison