Naushad Ali allegedly killed his wife, Sitara (30), by slitting her throat with a knife, they said, adding after that he tried to end his life by consuming some poisonous substance.
It is suspected that the couple had a quarrel over some family dispute, the police said.
Ali is admitted in a local hospital here and his condition is stated to be serious, SHO of the Civil Lines police station, G S Sharma said.
"Sitara's body has been sent for post-mortem," the SHO said, adding a probe is on in the matter.
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