Inclusion Criteria:  1. Patients fulfilling ICHD criteria:  Recurrent paroxysms of unilateral facial pain in the distribution(s) of one or more divisions of the trigeminal nerve, with no radiation beyond, and fulfilling criteria B and C  A. Pain has all of the following characteristics:  lasting from a fraction of a second to 2 minutes severe intensity electric shock-like, shooting, stabbing or sharp in quality B. Precipitated by innocuous stimuli within the affected trigeminal distribution C. Not better accounted for by another ICHD-3 diagnosis.  2. Age: Adults of both sexes 3. MRI brain ruled out organic or structural pathologies  Exclusion Criteria:  1. Patient with concomitant co-morbid conditions like brain tumours, vascular pathologies or coagulopathies.  2. Patients who had previously undergone trigeminal ganglion neurolysis with either alcohol or phenol.  3. Patients who were lost to follow-up before the completion of 6-month period or had not visited back after the procedure 4. Patients on oral anticoagulants 5. Patients declared high risk or ASA 3 and above for general anaesthesia.