Inclusion Criteria:  Patients who met 2010 ACR/EULAR criteria for Rheumatoid arthritis Age: 18 years or above Both gender  Exclusion Criteria:  Overlapped syndrome Patients with renal and liver disease, malabsorption, hyperparathyroidism Spondyloarthritis, psoriatic arthritis, Systemic lupus erythematosus Patients receiving vitamin D3, anti TB like rifampicin, isoniazid, anti-seizure drugs within last two months Patients unwilling to participate or unwilling to give written consent Pregnant & lactating woman Impaired cognitive function