According to police, the accused identified as Anil Kumar used to suspect fidelity of his wife Galigala Manga and they used to quarrel frequently.
Sub-Inspector Tirupati attached to Indrapalem police station said Kumar allegedly slashed his wife's throat with blade before inflicting injury on his throat in a bid to kill himself.
Kumar and Manga were married for last eight years and have two sons.
Kumar was shifted to a general hospital, where his condition is stated to be stable, police said.