Abir Mukherjee
Captain Sam Wyndham, a former Scotland Yard detective serving on the Imperial Police Force, and Sergeant Surrender-Not (Surendranath) Banerjee, beginning in 1919 Calcutta, India:

A Rising Man (2017) [review]
2017 Historical Dagger Award
Finalist 2017 Gold Dagger Award

Finalist 2017 Barry Award for Best First Novel
Finalist 2018 Edgar Award for Best Mystery

A Necessary Evil (2017)