There are plenty of them, you just have to find which one is nearest to you. Some of my suggestions are:
1. Naivedyam، HKV (opens at 10)
2. Sarvana Bhawan, CP (opens at 8 am)
3. Sagar Ratna, CP (opens at 8 am)
4. Karnataka Food Center, RK Puram ( opens at 8 am)