Celebrate Diwali! Below you'll find our selection of unique, creative and one-of-a-kind personalized Diwali greeting cards, invitations and other related stationery. We've got some fabulous designs for this famous Hindu celebration. Diwali, otherwise known as the "Festival of Lights" is popular with Hindus and non-Hindus alike. It's a great way to celebrate a wonderful and interesting cultural heritage. It is also observed by Jains and Sikhs. Diwali is an official holiday in India, Nepal, Sri Lanka, Myanmar, Mauritius, Guyana, Trinidad and Tobago, Suriname, Malaysia, Singapore, Fiji, and Pakistan.