Tridrepana sadana Wikipedia
Tridrepana sadana is a moth in the Drepanidae family. It was described by Moore in 1865. It is found in China (Hubei, Tibet), India, Nepal and Myanmar.
Adults are similar to Tridrepana finita, but are much bigger, the apex of the forewings is more falcate, the postmedial line is double and there is a pale grey terminal line.