Depression. Know anything what to do!

I thought my parents is everything i dont have love affairs with any boys i had gone counselling for 1 time my parents are givings value for my dreams upto 10 class after my uncle came near my house my parents starts neglecting us everytime what my uncle told is final my cet was rejected for 2 yrs as i have eligible a failed candidate can get it but i cant get seat in engineering but my papa gave me the seat in not at all good college i feel very depressed living in dark room confusions lack of interest worthlessness inferriority complex suicidal thoughts my weakness is i have only 5 to 6 degree of squient my parents are good i show very angry to them i shout alot but they are very innocent i feel very bad of me i dont know anything what to do