We aren't. We recognize that attending the wedding is a significant expense. Your company is all the gift we need.
We encourage our guests to get into the spirit with Indian attire and are happy to offer guidance. However, if you would be more comfortable in western attire, that's fine to. Whether you're in Indian or Western attire, you will be in good company.
We are assuming that if you make it the first event, you'll probably stick around for the rest.