No, it works with both with and without noto. But, Bengali Font is broken. I think it is a compile issue, I haven't compiled 27.x with m17n support.

On Wed, Aug 29, 2018, 6:05 PM Noam Postavsky <npostavs@gmail.com> wrote:
উৎসব রায় <uroybd@gmail.com> writes:

> The issue is fixed in Emacs 27.x, just checked.
>
> On Tue, Aug 28, 2018 at 11:41 AM উৎসব রায় <uroybd@gmail.com> wrote:

>> FontFile /usr/share/fonts/noto/NotoSansBengaliUI-Regular.ttf/0 matches new
>> Loading file /usr/share/fonts/noto/NotoSansBengaliUI-Regular.ttf/0
>> Fatal error 11: Segmentation fault

Okay, does doing (setq face-ignored-fonts '("Noto")) before opening the
file avoid the crash?

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উৎসব রায় (Utsob Roy)
https://utsob.me