I am a 36 years old female and had discontinued my studies after 12th (commerce). Is it possible for me to do MBA now? If yes, how?

There is no age for studies. If you want to do MBA, you need to complete your graduation first, as it is a Master's degree without it. You won't be able to get admission into it. As you are from commerce background you can do your graduation in B.Com or BBA that will be better suited for you. After