1. there are many indian restaurants in Beijing. You could find some recommendations on this page: https://www.travelchinaguide.com/cityguides/beijing/dinning/indian.htm
2. kids must be interested in visiting Beijing Zoo, some theme parks as Beijing Happy Valley, the Natural Museum, the Beijing Planetarium with 4D movie, and boating on the large Kunming Lake of the Summer Palace. So many places for interesting, please have a see on this page: https://www.travelchinaguide.com/attraction/beijing/