respected sir ,
This is incomplete history to judge anything.
I may try ,
Back pain may be due to many causes .
It will be better to consult Orthopaedic doctor physically or through online consultation.
Next Steps
at home you prevent any weight lifting sudden forward bending
Health Tips
you can give local hot water fomentation
if you want to do online video consultation you can click on below link
https://www.practo.com/pune/orthopedist/pimple-saudagar