With 45 marks in CUET PG it will be verydifficult to get admission in MSc Botany in central or top universities. Most good  universities like Delhi University BHU, or Central University of Punjab usually require at least 150 to 200 marks for MSc Botany, especially in the general category Even for reserved categories the cut-offstays much higher than 45 Your score is far below the expected cut-off so chances are very low in such universities. However, some private colleges or smaller state universities might offer admission with low  CUET scores or even give direct admission based on graduation marks. You can also look for colleges where entrance is not compulsory and admission is based  on merit. If MSc Botany is your main goal, preparing again for cuet and improving your score would give you a better chance next year. Right now with 45 marks, only a few options may be open, so check colleges individually where direct admission is allowed.

With 45 marks in CUET it’s difficult to get admission in MSc Botany in most central or top universities. Generally cutoffs for MSc Botany go above 150 marks especially inuniversities like Delhi University, BHU, or Central University of Punjab Your marks are much lower  than the required range so chances are very low in these top colleges But some state universities or private colleges may offer seats on low marks or direct admission without CUET. You can search for suvh  colleges in your state where cutoffs are low or admission is based on graduation marks If MSc Botany is important for you then preparing again for CUET PG and scoring better next year is also a good option. Right now with 45 marks only a few options may be open and you’ll have to check college-wise. If needed I can help you search some names