Pain in right leg and ankle since 1 year

I have pain in right leg since 1 year ( front knee,back , calf and ankle). Almost constant since 1 year and sometimes gap of 1-2 months. No relief on painkiller, volini application and hot fomentation . Relief comes automatically sometimes. Esr, CBC,CRP,RA factor normal. Knee xray shows early osteoarthiritis changes. Other than knee there is pain in neck and back sometimes and since last 7 days continuous pain in right arm. I'm overweight 102 kg 5.8 feet height and prediabetic and hypertense with no medication running and have fatty liver and high SGOT/SGPT. Doctor recommended Acelofenac 100, Paracetamol 325 (BD) AND CARNIFIZZ OD, AND Reflex 360 OD as also there is problem of Muscle spasms (khalli in hindi) . Doctor recommended medicines of his MRs and third class brands tell me branded Alternatives for same