I failed my 2nd pu after dat i was nt able to clear it den i did my interior design am wrkin nw gettin 25k sal i need to study still help me

i failed in my 2nd puc then later i was not able to complete pu level so i took 1 year diploma in interior designing course completed that & now am working as a modular kitchen designer & drawing 25 k per month but still am not satisfied with my carrier am confused what to do plz help me