The incident occurred yesterday after the couple had an heated argument, police said.
The woman, mother of three children, was at her parents house. Her husband, a painter, went there and threw acid on her, police said.
The 27-year-old victim was admitted to a government hospital, police said, adding her condition was critical.
Police has arrested her husband and cases were registered against him under various sections of IPC, including 307 (attempt to murder).
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