Cadbury India — Small egg like stuff in chocolate

Address:

Jaipur, Rajasthan

I bought two chocolates today packed on 04/14- and in that I found small eggs like thing of some xyz species and without looking at it as we trust brand cadbury my brother ate some, now we hope that nothing bad happens to him. Please suggest what should I do, Can I expect an action from your side or do I need to take the stuff to local media and put it all on social media.