There is no link between Article 370 & Article 371.
Naga people live both in India and Myanmar.
Nagas want an Independent home land comprising lands from both India and Myanmar.
Even if India agrees to Naga's demand, Myanmar (and China) would never agree to an Independent Naga home land on their borders which could be used by the West against them.
Frankly, Greater Nagaland is a bigger headache for China & Myanmar than it is to India.
View attachment 576777
https://www.researchgate.net/figure/Territory-claimed-as-Nagalim_fig1_263679826