Suggest Treatment For Weak Supraspinatus Muscle In Right Shoulder Limiting Motor Skills

my name is om sharma and age 28 years. my right shoulder supraspinatus nerve is week so i can not lift my hand upward. it is painful. this condition of my shoulder since four months. my friend told me about neurobion forte tablet. kindly i am a poor person i can bear your consult fees. so please give me free advise.