Start with exercises.

Do the cat/cow stretch. Get on all fours, with your arms straight and your hands directly under your shoulders; your knees hip-width apart.

Manually physiotherapy will help you

It's due to lumbar spondylosis related spinal radiculopathy, start physiotherapy asap along with medications to support the nerves and ana, rest.

Hello.., based on ur condition, best n long term treatment is physiotherapy..

Please consult a physio for your treatment. As it's a chronic case you will need a couple of physio session. Days can't be said without assessing your case..Cost also will vary on multiple condition..My suggestions is that take a consultation from a physio and start your session soon.

Proper assessment and treatment is needed to eliminate this pain. Total number of sessions depends upon the assessment.

U have nerve compression because of that u feeling pain in ur leg n foot. Use lumbar belt while walking. Visit to the manual Physiotherapist who can help u pain relief and also strengthening of back muscles. Avoid forward bending and weight lifting. Focus on ur posture correction. Take small breaks after every one hour from work.