Answer:
You want help finding examples of shared culture? Got it.
The biggest common link is RELIGION.
Where on one hand a majority of Chinese citizens follow and are religiously lean towards Buddhism, Gautam Buddha’s journeys of attaining catharsis and spiritual nirvana began right in the midst of Gaya, India. Similar is the case with Taoism, which propagated from China to the Indians.
There is also yoga, family orientation, art, technology, and philosophy,
Hope these could give you a few ideas.