The correct option is
A An oral contraceptive for females
Research on various reproduction related areas is encouraged by the governmental and non-governmental agency to find out new methods to improve existing contraceptive methods. Saheli is the ora; contraceptive for the female was developed by the scientist at Central drug research institute in Lucknow, India. This was different from other contraceptives as it was to be taken once a week.
So, the correct option is 'An oral contraceptive for females'