Abdul Wahid attacked his wife, Ajbunisha (45), with a baton yesterday following a quarrel between the two. She died on the spot, they said.
Wahid then set himself on fire and was rushed to a Gonda hospital where he succumbed, police said, adding that both bodies have been sent for postmortem.
According to their family members, Wahid was suffering from depression due to job-related problems, police added.