Savita Rani Singhal1, Suresh Kumar Singhal2. 1. Department of Obstetrics and Gynaecology, Pt BD Sharma, Post Graduate Institute of Medical Sciences, Rohtak, Haryana India ; H No. 14/8 FM, Medical Campus, Rohtak, Haryana 124001 India. 2. Department of Anesthesia, Pt BD Sharma, Post Graduate Institute of Medical Sciences, Rohtak, Haryana India.