Chilli Paneer Recipe | How to make Chilli Paneer | | Easy Chilli Paneer recipe
A answer to this question lies in discovery or experimentation with food. Fusion was not a word in 1979, so Indo-Chinese was not a buzz.
Chilli Panner dosent have as such history, it was mainly extracted from chinese cuisine, Chinese non veg dishes. In India vegans are in a large majority, so the non veg chinese cuisine was shifted to veg cuisine with some Indian fusion.
So the history lies back to Chines cuisine which came to india and modified to Indo- Chinese cuisine known as Chilli Paneer