Releasing a collection of interview of Vajpayee, published in RSS mouthpiece 'Panchjanya', Singh said had he not been a politician, he would have been a world-class poet.
"Multi-party democracy is called Atal Bihari Vajpayee," he said.
Remembering his close and long association with Vajapyee, the home minister said he has not found a single person who was angry with him.
"There may be difference of opinion but no one is angry with him," he said.
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"In every step of his life, he has created an example. This book will be a guiding light on his life," he said.
Congress MP R Ananda Bhaskar said he was looking forward to see the implementation of Vajapyee's "Rajdharma".
"It is necessary now to analise Vajapee's Rajdharma. We are waiting for its proper implementation on the ground," he said without elaborating.