In this case we probably should call this Christmas Potato (Pomfrittas noelensis)... ;-)...
@Nuwan: Do you have an explanation for the different ground color? Usually it is green, not "apricot".
Nymphalidae, Heliconiinae, for sure, Vagrantini almost for sure. I think it might be the Rustic, Cupha erymanthis, there are several subspecies found in whole India, I am not sure which one is found in your area. I have checked hundreds of pupa pictures and did not find any other similar one. Some markings and the ground color are not 100% matching, but almost ;-)...
Please, verify and we have probably need earlystages/Keith vor confirmation or correction...
Just a few link to compare:
http://ccs-hk.org/DM/butterfly/Nymphal/Cupha.html
http://www.butterflycircle.com/checklist%20V2/CI/mugshots/Cupha%20erymanthis%20lotis/earlystages/pupa/Rustic_pupa_01_c.jpg
http://www.projectnoah.org/spottings/10055405
http://www.butterflycircle.com/checklist%20V2/CI/index.php/start-page/startpage/showbutterfly/62
http://en.wikipedia.org/wiki/Cupha_erymanthis
http://www.flickr.com/photos/balakrishnan_valappil/2663558308/
http://www.flickr.com/photos/haneesh/5326548773/
http://paro6.dnp.go.th/paro6_royal_project/Web%20Butterflies%20%20hara%20Bala/Butterfly%20Work%20pages/Lifehistory%20pages/E-C-A%20ButterFly%20pages/3-Rustic/Pupa.htm
http://www.bubuleps.com/Cuphaprosope.php
Click on the Cupha erymanthis and click for early stages (no separate window possible).
What you guys think of Rustic??
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