Responsibilities
Preparing the Speech
Delivering the Speech
Stag Night

Bridesmaids Duties
Hen Night

Pre-Wedding Duties
Help the bride in any manner that she may require it.
Arrange the Hen night.
Wedding Day
Help the Bride get ready.
Walk to the mandap with bride and her uncles.
Sit next to the bride during the ceremony and help her with her sari when she has to get up and tidy her make-up if the need occurs. Keep a clothe handy bride will need it for wiping her hand and you may need to wipe her forehead, it can get hot under those lights.
Sit next to her at the top table.
Generally help the bride and her parents with anything that may be required to ensure that the wedding runs smoothly.