Complete
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1 9 12 13 17 20 22 11 2 18 3 23 4 10 16 14 8 21 5 6 15 7 19
  1. 1 a Brief overview (8)
  2. 5 a Notion (4)
  3. 9 a North-east Indian state, noted for its tea (5)
  4. 10 a Disciple — to lapse (anag) (7)
  5. 11 a Hunt the thimble or charades, perhaps (7,5)
  6. 13 a Best bib and tucker (6)
  7. 14 a Historic port of north Brittany (2-4)
  8. 17 a Left out of pocket (5-7)
  9. 20 a Binge (7)
  10. 21 a Wryly caustic language (5)
  11. 22 a The alternative to this? (4)
  12. 23 a Less than popular high street fundraisers (informal) (8)
  13. 1 d Drawback (4)
  14. 2 d Choose not to do something (7)
  15. 3 d Points in common (12)
  16. 4 d Lacking transparency? (6)
  17. 6 d Factual information (5)
  18. 7 d Antipathy (8)
  19. 8 d Well established (4-8)
  20. 12 d By-product (8)
  21. 15 d Solvent used to remove nail polish (7)
  22. 16 d Roof straw (6)
  23. 18 d Last Greek letter (5)
  24. 19 d Runs but not off the bat (4)

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