28-year-old K Gunasekhar, who worked as a teacher at a government-run school, and his wife K Sravanthi (25) belonged to different castes, and their parents were opposed to their marriage.
They had got married only a month ago, and were staying in a flat here. Their families had snapped the ties with the couple, police said.
Gunasekhar returned home at around 5 PM today, and found Sravanthi hanging from a ceiling fan.
In a state of shock, he too hanged himself, police said.
Police are conducting further probe.