Chimarra aneca
Chimarra anecas are a species of fingernet caddisfly in the family Philopotamidae. These insects are found in freshwater habitats and their larvae construct cases made of sand, gravel, or plant debris. They play an important role in aquatic ecosystems, serving as a food source for fish and other aquatic organisms. They are commonly found in South Asia. References 

Trichoptera
Insects described in 1993
Insects of Asia