Compared to India Northeast, Xinjiang and Tibet are the heaven.
Dunno your definition of Heaven, but greater HDI certainly is not one of the parameters i guess.
http://megplanning.gov.in/MHDR/2.pdf
From the point of HDI majority of NE states happen to be better off than Tibet or Xinjiang for almost a decade early.
Here 2005 HDI values for NE states
Arunachal Pradesh : 0.617
Assam : 0.534
Manipur : 0.707
Meghalaya : 0.585
Mizoram : 0.790
Nagaland: 0.770
Sikkim : 0.684
With the exception of Assam every NE state has higher quality of life than a Tibetan in 2013
4 NE states : Manipur, Mizoram, Nagaland and Sikkim have has higher quality of life than a Xinjiang resident in 2013
Tibet HDI 2013 : 0.569
Xinjaing HDI 2013 : 0.667
While NE states in India have some highest quality of life compared to other Indian states
Urban Arunchal Pradesh highest HDI all over urban India at 0.877
Urban Mizoram 2nd highest HDI all over urban India at 0.872
Rural Nagaland 4th highest HDI all over rural India at 0.750
Xinjiang and Tibet are among the lowest HDI provinces of China for 2013.
List of administrative divisions of Greater China by Human Development Index - Wikipedia, the free encyclopedia
That's why India never dares to promote border trades in those areas
First lies
Indo-China border trade through Nathula rises to Rs 16.04 crore - timesofindia-economictimes
Nathula pass lies in Gangtok, which is the capital of Sikkim an NE state.
even though India paints Tibet as the hell.
Second lies
Can you show even a single Indian mainstream media article covering Tibet negatively?
Chinese are even prohibited from those regions.
Third Lies
No prohibition for Chinese tourists visiting NE.
Only special permit application is needed.
Now, only Pak & China nationals need special permits to visit NE - The Times of India