1. According to this tracking your parcel in On Route to India:
Number: RF329043884CN
Package Status: Alert
Destination Country: India
2016-09-25 00:00 China, BEIJING, Send item abroad (EDI-received), Air, KOLKATA AIRPORT SORTING OFFICE
2016-09-24 13:26 China, BEIJING, Insert item into bag (Otb), Air, KOLKATA AIRPORT SORTING OFFICE
2016-08-27 03:28 China, 51810302, Receive item from customer (Otb), Air, KOLKATA AIRPORT SORTING OFFICE
Origin Country: China
2016-09-24 12:44 Exchange Bureau in Beijing, has been exported
2016-09-24 12:40 Exchange Bureau in Beijing, returned
2016-09-24 00:09 Exchange Bureau in Beijing, have been exported to open notes (security return)
2016-09-19 12:30 The Shenzhen Exchange Bureau, have been exported to each other (internal transit)
2016-09-19 12:29 The Shenzhen Exchange Bureau, returned
2016-09-19 12:29 The Shenzhen Exchange Bureau, have been exported to open
2016-09-08 11:51 The Shenzhen Exchange Bureau, have been exported to each other (internal transit)
2016-09-08 11:51 The Shenzhen Exchange Bureau, returned
2016-09-08 11:51 The Shenzhen Exchange Bureau, have been exported to open
2016-08-28 11:53 The Shenzhen Exchange Bureau, have been exported to each other (internal transit)
2016-08-28 01:15 The Shenzhen Exchange Bureau, have been exported to open
2016-08-27 22:07 Shenzhen international bulk mail processing center, left
2016-08-27 21:44 Shenzhen international bulk mail processing center,
2016-08-27 19:44 Shenzhen international bulk mail processing center has been receiving and sending
2016-08-20 16:11 Electronic information has been received

2. I agree it had difficulty but it's OK now, you can track it here:
http://www.track-chinapost.com/en

3. When it arrive in India, you will be able to track it on the India Post site. Actually you can track it right now for some of the details above.

Hope this help.