NEW DELHI — Indian Prime Minister Narendra Modi’s government on Monday announced rules to implement a 2019 citizenship law that excludes Muslims, weeks before the Hindu nationalist leader seeks a third term in office.The Citizenship Amendment Act provides a fast track to naturalization for Hindus, Parsis, Sikhs, Buddhists, Jains and Christians who fled to Hindu-majority India from Afghanistan, Bangladesh and Pakistan before Dec. 31, 2014. The law excludes Muslims, who are a majority in all three nations.The law was approved by the Indian Parliament in 2019, but Modi’s government had…