The coalition was on course to form a government in Bihar, a state of 130 million people, where the opposition had claimed foul play over deletions from voter lists.
Supporters of Prime Minister Narendra Modi’s National Democratic Alliance on Friday celebrating the early results of vote counts in Bihar State elections in Patna, India.
The rare explosions in the country’s capitals have not been directly linked, but there are fears the governments will blame each other after their previous military conflict alarmed the world.
Those responsible for the explosion “will not be spared,” Prime Minister Narendra Modi of India said. The blast killed at least eight people near a subway station at evening rush hour.