Hello @Prithvi_iamneo, welcome to the n8n 
community!
Actually, this feature still isn’t directly available up to now..
If you search in the forum, you’ll find that there have already been some discussions and a few workarounds:
- Access an agent's chat model output in subsequent nodes
- How to get AI token usage information from AI Agent?
But for now, I recommend this ready-made workflow from my friend Solomon:
And finally, don’t forget to vote for this feature request here