bachlor of optometry is a good scope or not... and government college for optometry

Here is a list of colleges that offers optometry in India
AIIMS Delhi - All India Institute of Medical Sciences New
Shree Guru Gobind Singh Tricentenary University, Gurgaon
SRM Medical College Hospital and Research Centre, Chennai
AIIMS Rishikesh - All India Institute of Medical Sciences
HIMS Dehradun - Himalayan Institute of Medical Sciences
Manipal University (MAHE) - Manipal Academy of Higher Education
GMCH Chandigarh - Government Medical College and Hospital
Indian Institute of Health Education and Research, Patna
Four more number of colleges and details you can refer article below
https://medicine.careers360.com/colleges/list-of-boptom-colleges-in-india
Optometrists can work as post-secondary teachers, occupational/industrial safety programs, consultants in the eye care industry or do research in optometry colleges. Optometrists can also set up their own private clinics & work independently. Optometry a dynamic and challenging career which could achieve personal growth, community respect and offers job flexibility, financial success and unlimited opportunities. Optometrists or optometric physicians are primary eye care and health professionals concerned with vision care. One can take up the job titles after optometric studies are optometrist, optician, optometry researcher, teacher or lecturer, sales executive, etc. The average salary after BSc Optometry is INR 2 to 6 lakh per annum.
Hope this helps