The ntse has declared result for stage II (2019) . You can check the result at the link http://www.ncert.nic.in/programmes/talent_exam/pdf_files/NTSEResult2019.pdf
For State Level NTS Examination Enquiry you need to Contact the Liaison Officer of your State.
So you should contact the liaison officer of your state to get the state level result.
Following is the link of name and contact number of liaison officers.
JEE Main College Predictor
Know you Admission Chances for NIT and Other B.Tech College based in JEE Main Score