mumbai ncp chief sharad pawar who underwent a surgical procedure for the removal of a gall bladder stone two days ago is responding well to the treatment a party leader said on thursdayhe underwent a checkup at 7 pm and is now allowed to walk and take solid food said maharashtra minister and ncp leader nawab malik on twitterpawar was responding well to the treatment and was in excellent health said malikpawar 80 was admitted to the breach candy hospital here on tuesday after he experienced abdominal pain he underwent endoscopy for the removal of a gall bladder stone on the same night