This is not an official application.
This application is all about the proposed Goods and Services Tax which is likely to get implemented in India somewhere in 2017.This app contains latest GST Structure update.
Application Features :
1)GST Information
2)Explanation of GST Structure in India
3)Quick Calculator
4)Important dates related to GST
*Update*
5) User can now enter wholesaler & retailer profit
6) Improved UI
7) Updated information of GST Rates