Hello Aspirant!

Congratulation for your score .To get admission in BHU M.Sc. Environmental Science course is through BHU PET. Based on previous years the cut off for M.Sc. Environmental Science would lie in the range of 100-220. As you have 191 rank and you comes under SC category ,so there is strong chance that you can get seat in BHU .

And other information about merit list, result announced dates are in Careers360:

https://university.careers360.com/articles/bhu-pet

Good Luck!