To become secretive or unwilling to share information
गुप्त बनना
English Usage: After the incident, he began to closelip about his experiences.
Hindi Usage: घटना के बाद, वह अपने अनुभवों के बारे में गुप्त बन गया।
gupt banna, gupt ban-na, gupt banana, gupth banna, gupt banra, gupt bna