Start with high-confidence indian & south asian art books, then narrow by subgenre or adjacent topics.
Patterns of India
Christine Chitnis
Mughal Arcadia
Sunil Sharma
The Illustrated Ramayana
DK, Bibek Debroy
Borobudur
John N. Miksic
Photography in Cambodia
Nicholas Coffill
Ramayana
Sanjay Patel
Himalayan Art in 108 Objects
Karl Debreczeny, Elena Pakhoutova