Hi!
I'm looking for good-tuned bansuri flute about $100 cost.
Something like

http://www.flute.in/en/bansuri-north-indian-flute/all-scales?page=shop.product_details&flypage=flypage.tpl&product_id=43&category_id=4

or

http://abedabun.com/index.php/en/flutes-en/bansuri-en/148-bans-d-h-assam

or maybe something else...
Thank you!

Beware of cheap bamboo flutes. 100$ is probably not enough for a decent flute, but this varies with the size. Lower tone, mellow sounding bansuris are more expensive and you need larger hands and fingers to play them.
There is a lot of work involved and they should be made by a good artisan who spends a lot of time on each instrument, starting from the selection of the bamboo up to final tuning.