Hello sir , do hot water fermentation after applying pain balm (moov, volini) to your paraspinal muscles.
Do back stretchings like child's pose, cat - camel stretch.
Some strengthening exercises like plank, partial curls, pelvic bridging.
Next Steps
if are unable to do the exercise please visit a physiotherapy clinic.
Health Tips
keep pillows for support to your back while sitting . do stretchings in middle of your sessions.