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Cyana puella
Cyana is correct, but it is not Selangorica, but Cyana puella, the female. The markings are generally broader and more curved for Selangorica. Besides, the markings behind the head are different. It is very hard to find trustable IDs of Cyana. Many are not correct IDed, however, it is also a very tricky genus anyway.
My link is from Ryan Brooks, very trustable:
http://insecta.pro/taxonomy/85669
http://v3.boldsystems.org/index.php/Taxb...
https://www.projectnoah.org/spottings/15...
Here are some Selangorica:
http://www.jpmoth.org/~dmoth/Digital_Mot...
https://www.flickr.com/photos/29954808@N...
http://www.mothsofborneo.com/part-7/nuda...
I am not even sure, if Selangorica is found in India.