The incident took place in Balwa village last evening when lightning struck Hare Krishna Pandit and his wife Anokhi Devi while they were grazing their cattle in a field, Circle Officer Uday Krishna Yadav said.
The bodies have been sent for post-mortem, he said.
15 persons were killed after they were struck by lightning in separate incidents in Aurangabad, Rohtas, Nawada and Sheikhpura districts yesterday.