to become bankrupt or financially unstable

to sink beneath the surface of water or to be submerged

दिवालिया होना

English Usage: The company had to go under after the financial crisis.

Hindi Usage: कंपनी वित्तीय संकट के बाद दिवालिया हो गई।

to experience a downward trend or a decline

गिरावट में आना

English Usage: The stock values may go under if the market continues to fall.

Hindi Usage: यदि बाजार गिरता रहा तो शेयर की कीमतें गिरावट में आ सकती हैं।