Hello i have a rental property in texas and am a us citizen. If i stay in nepal majority of the time, do i still have to pay state income tax? Tx doesnt have state tax but since i am in nepal, what taxes do i pay?

हरीपजी बार्षिक Rental आम्दानि मा ( Rental Income Schedule C) लागेको र घटाउन मिल्ने खर्च हरु घटाएर ४०० भन्दा माथिमा कर तिर्नु पर्छ |

texas ma state income tax hudaina..state income tax pani tirna parcha? (if my house is in texas and i i reside in nepal as us citizen)

It seems you have not filed tax by yourself and little or no idea about tax. To get the concept and to understand the nut shell of individual taxation you have to read the links.
To acquire basic knowledge and familiarizing terminology used, you must study these.

Form 1040 form and instruction
https://www.irs.gov/pub/irs-pdf/i1040gi.pdf

Rental Income
https://www.irs.gov/pub/irs-prior/p527--2022.pdf

Schedule C: how to report profit and loss from business
https://www.irs.gov/instructions/i1040sc