• Following approval from Institutional Ethical Committee, informed and written consent will be taken from 45 eligible patients who are hospitalized in JSSH for chronic shoulder pain. 
• A thorough clinical evaluation with detailed shoulder examination will be performed by an experienced pain physician and Orthopedician. The diagnosis will be confirmed with USG/MRI findings of shoulder pathology concordant with the side of clinical features. The required investigations will be conducted and optimization of the comorbidities will be done before the procedure. 
• 45 patients will be included in the single group and the baseline parameters will be noted. Suprascapular nerve Block (SSNB) on the affected side will be performed in the operating room under ultrasound guidance using standard ASA monitoring with ECG, HR, NIBP and SPO2.
• Under strict aseptic precautions, patient will be placed in a sitting position with hand resting on the contralateral shoulder. SSNB will be performed by posterior approach. 
• High frequency linear ultrasound probe (9 -11 HZ frequency, G E machine) will be placed in coronal plane in a short axis over the spine of the scapula with slight anterior tilt. Supraspinous fossa region is identified from medial to lateral to determine the boundaries formed by spine of scapula. Ultrasound probe is adjusted in a cephalocaudal direction to visualize the trapezius, supraspinatus muscle, superior transverse scapular ligament and suprascapular notch. Doppler is used to ensure the suprascapular artery and vein in the floor of fossa.
•  After local skin infiltration with an injection 1% Lidocaine, 17G Tuhoy’s needle (VYGON-FRANCE) will be inserted in the longitudinal axis of the ultrasound beam using an in-plane approach from medial to the lateral direction. Needle is advanced further until the needle tip is in the proximity of suprascapular nerve below the distal fascial layer of the supraspinatus muscle. Needle tip position will be confirmed by hydro dissection using 0.5 ml NS. After confirmation of correct needle placement 6 ml of 0.25% injection bupivacaine + 1ml (4mg ) of injection of injection dexamethasone will be instilled after negative aspiration of blood, following which 19G catheter (VYGON-FRANCE) will be inserted through tuhoy’s needle. Correct placement of Catheter tip will be confirmed by adding additional 1 ml 0.25% bupivacaine. Tuohy’s needle is removed and after the tunneling of catheter, it will be fixed to the skin above the spine of scapula using a sterile dressing. 
• Immediate post- procedure patient will be assessed for pain and disability scoring and then patient will be shifted to ward with instructions to start physiotherapy. 
• Suprascapular catheter will be kept in situ for the next 5 days. During the hospital stay, 6 ml of 0.25% bupivacaine will be given through the catheter intermittently at the interval of 8 hours to reduce pain and to facilitate physiotheraphy. 
• _{Patient is subjected to physiotherapy in the form of stretching and strengthening exercises to complete the full range of motion of shoulder joint. Flexibility exercises are done to achieve the activities of daily living.} 
• _{At the end of 5 days the patient will be discharged with advice to continue the home exercise program as advised by physiotherapy post-procedure.}
•  Patients will be followed up immediately post - procedure and at intervals of 5 days, 2, 4, 12 and 24 weeks for assessment of pain score using NRS, pain and functional status using SPADI, patient satisfaction using Global Perceived Index, and any side effects.