Hello, the UK immigration prescribes minimum 1.1 lakhs per month if you live in London. Anywhere outside it will cost you around 90 thousand per month. The average accommodation cost will be around 15,000 excluding your living expenses like food ,transport etc. An university student can avail various scholarships from the Britain government if selected. You can check this link for scholarships details https://study-uk.britishcouncil.org/scholarships

Best wishes.