<prompt> Chassarmoir surgery is done inUterine inversionVesicovaginal fistula repairUreterovesical fistula repairRetroveed uterus  <response>: Chassarmoir technique Used for repair of vesicovaginal Fistula Technique: Flap splitting method Bladder and vaginal are widely separated and sutured in two layers Ref: SHAW;S TEXTBOOK OF GYNECOLOGY; 15th edition; Pg no:187 