No. Smartron SRT Phone does not have the front camera flash.
Yes, Smartron SRT Phone is made in India.
Yes, Smartron has already announced that they are going to release Android Oreo update for SRT Phone customers in January 2018.
Yes, Smartron SRT Phone does have the fast charging. It supports Qualcomm Quick charge technology.
Yes, Smartron SRT Phone does have the support for the Qualcomm Quickcharge and it does support fast charging.