Thacker (handicap 14) scored 41 points at the Willingdon Sports Club to be a part of India's biggest city-based team golf championship, a media release said.
The tournament was played in the stableford format where Willingdon Sports Club hosted the second club qualifier in Mumbai for the fourth edition of the Louis Philippe Cup.
Thacker would be joined by Rani Maheshwary, winner of Bombay Presidency Golf Club qualifier held last week, and a third player who will be nominated by the Mumbai team to fight for the Inter-City Pro Am title of Louis Philipe Cup on June 11.