I think you are having quarter life crisis. This will come and go. Every age group has its own issuss. Continue with your life. Slowly you will find what was important to you 5 years back is no more and you will find new ones.
Like Uji said going to Nepal, being with parents is just a phase in life. If you are not happy with what you have, you will never feel happy after you achieve your dreams. Listen to jim Carry, he will explain more.
Try to find happiness in what you have and make the best out of it. Try to balance your time with parents by bringing thwm here for 3 months each year and you go to Nepal every year for another month and so.