Please help me for complete my Education!

I am 18 years old. I am a very poor family. My father is physically ill, so he can not work. My mother is a heart attack twice, so for her medicines she gets a lot of money. We have three siblings. This is my big brother. Mego is my sister, she has got married, and I am the youngest of them.My brother works in a private company. It is difficult to run the wages of the mother, father, if he gets the wages, and it becomes difficult for the family to spend the money, and the cost of my studies is far away. The results of my SSC exam are the first level. There was a problem of 1 year because of the problem, but I had many wishes to study, I had a dream that I would be very big in life, so mother, father,After studying, I agreed to study again. Then I started studying again, after two years my HSC exams started and I thoroughly examined. After some time my HSC resulted in the test and the result was the first class. Then my elder brother married so that The cost increases. I do not have the cost of teaching after spending a lot of money, medicine, medicine, and family expenses. But my dream will be broken. I can not accept onobhabe That is why I was able to save some money by saving my money and I got admitted to a private university with the money. But now I am not able to spend the money on any of my studies, but I want to finish my education so if you help me fulfill my dream Then I will be very grateful to you. Thank you