Here's a pretty Diwali colouring page of Sita, wife of Rama, who was kidnapped by the evil Ravana before being rescued by her husband and the monkey king, Hanuman. When Rama and Sita returned home, the people lit the way with hundreds of diyas...
Sita Colouring Page
The Indian Diwali celebration includes a day devoted to brothers and sisters, called Bhaiya-Dooj, Bhai Dooj or Bhaidooj.
At Diwali there is a day of the celebrations set aside especially for brothers and sisters. Sisters look after their brothers and cook for them, while brothers give their sisters gifts. Here's one of two colouring pages specially created for Bhaija Dooj.