Yes, Nokia 8 does have OIS.
Yes, Nokia 8 is a dual sim mobile phone.
You can use nano-sized sim cards in Nokia 8.
No. Nokia 8 does not support CDMA netwok in India.
Nokia 8 weight is just about 160 Grams.
It’s safe to say that if a smartphone like this had shipped from the Nokia stable a few years ago, the Finnish company might never have had to step back from the mobile business.