Possible Clues:

• Indian viceroy's authority
• The vessel was overturned and it was overturned in India
• "The Big Bang Theory" astrophysicist whose parents live in India
• Raipur rule
• Paul Scott series 'The ___ Quartet'
• 17-Across topic
• How the British in India got a sudden, unpleasant shake-up
• British rule in India (with ''The'')
• Local prince let drop cry of surprise, given authority in India
• British rule (in 19dn)