Late PM Vajpayee is only non-Congress PM to serve full term
Late Prime Minister Atal Bihari Vajpayee is the only non-Congress Prime Minister in the history of India to complete his five-year term. He was first elected the PM in 1996, when he served for 13 days, and then in 1998 when he served for 13 months. He was again elected in 1999 and served a full five-year term.