Well, by reading his stories carefully. For example, in 'Godaan', the importance of religious beliefs and the role they play in the lives of rural people is shown. It gives us an idea about how deeply rooted religion was in their daily lives.
His stories are full of descriptions of festivals, family values, and relationships. For instance, in 'Idgah', the festival of Eid is in the backdrop. The way the child anticipates the festival and the family's role in it all depict the cultural significance of festivals in the Indian context. Also, the family's love and care for the child despite their poverty is a key aspect of family values in the culture.