India has had 15 Prime Ministers since independence — but only a few have spent the longest time in office. 🇮🇳 From Jawaharlal Nehru to Narendra Modi, here are the 10 longest-serving Prime Ministers of India, ranked by total time in office. Swipe through to see who served the longest . . Follow onevisionmedia.in for new updates and knowledge. . . #narendramodi #primeminister #indiapolitics #onevisionmedia