Hello Sir, As your History is concerned, You have this Problem from many years, You also have taken treatment from various places, In your case you didn't feel better with various treatment, that means the main cause of your problem is still unknown (it's not only slip disc that is bothering you), You will have to make proper assessment to know the exact cause (which is just not slip disc) and after the main root cause is diagnosed, depending on that the treatment protocol could be made to make u feel better, and as your occupation is also taken into consideration, it may have a chance that your pain and problem would have increased till now. You will have to see a Physiotherapist soon !
Next Steps
We can work on the online Consultation and would let you know the detail there and what would be good for you for further treatment
Health Tips
1) Do not Lift anything heavy
2) Try sleeping on a hard surface
3) While sleeping take pillow under your knee, if u have a habit of sleeping side ways take a pillow between your knees
4) Lots of water intake