Are you getting married and need some advice on contraception. You don’t need the best gynaecologist in Delhi to help you, Go to the nearest hospital and see a Gynecologist. Tell her about your menstrual cycle and she will guide you about the oral pills and emergency contraception or any other method suitable for you.
If you have menstrual disorders then also your Obstetrician/gynaecologist will help you. If you want to have a pregnancy soon after marriage then see an Obstetrician.