Dear,

Yes, you can do self-study and crack any exam even if you have very little financial support.

See, this was not possible few years back but nowadays from the day in India has been given on low cost online education has seen revolution and lot of study materials are there on Youtube and various such platform.

And because of getting large number of views and to attract students, they are bounded to give good content and hence you can find many good contents over internet.

After going through the contents, you have to choose which suits you the best. Just stick to that channel for continuous study and in between if you find difficulty you can shift to other channels for doubt clearance.

Now comes the most important part and that is you have to do practice of questions after studying topics, remember that only studying is useless if you do not practice questions.

You have to find questions sheet and have to solve just after completing a particular topics, do not keep mindset like you will solve later when you complete whole syllabus.

By this way you can be able to crack any exams.

Your profile says that you are a medical aspirant, so below I am mentioning the link where you can find tips and tricks for NEET. Please have look below.

https://medicine.careers360.com/articles/neet-preparation-tips

Or

https://medicine.careers360.com/articles/neet-2022

You caan also find below link helpful.

https://medicine.careers360.com/articles/how-crack-neet-in-first-attempt

I hope this information helps you.

All the very best!!