The PC Quiz - By Guess Who?

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Across
  1. 5. Oh Daddy...!
  2. 7. Nephew who says "One-two, One-two, Come on, Try Harder!
  3. 10. Businesswoman all round!
  4. 11. Oh Hi, Mr.KR Narayanan, Thanks for this...
  5. 12. Hi Mom!
  6. 13. Mind doctor Niece
  7. 16. Former Job title
  8. 18. Governmental Sis’
  9. 19. Kumbakonian Sis'
  10. 21. Grandson 2.0 (This crossword’s creator!)
Down
  1. 1. Goin’ to University
  2. 2. R.B.I. Engineer
  3. 3. Best Book!
  4. 4. Majored In...
  5. 6. Building high!
  6. 8. Dermatologist bro
  7. 9. S.I.L
  8. 14. The 'Techie' grandson
  9. 15. Her name literally means "Pottu"
  10. 17. Canadian queen
  11. 20. Angel Son