velo orange is US seller of this style of brake lever, Dia Compe Inverse Brake Levers, 23.8mm - Levers - Brakes & Parts - Components
& smaller : Dia-Compe Inverse Brake Levers, 22.2 - Levers - Brakes & Parts - Components

A Taiwan made part. You are closer to there, in India, than the US, but sea lanes from there to West coast Ports are Heavily Traveled by container Shipping.