BJP senior leader LK Advani said Atal Bihari Vajpayee is three years older to him and added that he is a senior leader in the party as well. In an interview with a national media news channel, the 7th Deputy Prime Minister of India from 2002 to 2004 under Atal Bihari Vajpayee, said they worked together for a longer period of time. Lal Krishna Advani said Atal Bihari was close to Dr. Mukherjee, Deen Dayal Singh as well. He was the party's chief ideologue, LK Advani added. Watch the video for more insight.