Modi will address a BJP youth conference in Trichy in Tamil Nadu later in the day.
Modi and other dignitaries present at the meeting felicitated.
"I bow to Amma and strongly believe that when we celebrate her 100th birthday, India will have become a Bhavya & Divya Bharat."
"It is unfortunate that those educated with Lord Macaulay's influence have given a wrong impression of Saints/Seers but they gave their life for society."
"Terrorists are killing innocent lives inside a shopping mall, in churches and at the borders. Here at the ashram, people are working on how to make people safer."
"I feel optimistic even in this disappointing time when I see the great personalities who have worked for the humanity."
"We are celebrating Amma's birthday for the society not for the self."
"When a mother and a teacher mix together, it is such a big thing to happen."
"One of the noblest methods of serving God is the poor, the sick, hungry and needy. She feels Manav Seva (serving human beings) is Madhav Seva (serving God)."
"Amma is doing what the government does," Modi said, while praising the spiritual leader's massive humanitarian agenda.
Modi begins his speech.
Swaminathan Gurumurthy, co-convenor of the Swadeshi Jagaran Manch and columnist, speaks.
Vellapally Natesan, president of Sree Narayana Dharma Paripalana, speaks.
President of Vivekananda Kendra P Parameshwar speaks.
"This assemblage to hope for a new dawn for India."
Narendra Modi inaugurates various projects.
Narendra Modi shares the stage with Mata Amritanandamayi. A Centre for Spiritual Studies will be inaugurated. Amma is felicitated and the guests seeks her blessings. Release of Amma's Satsang translated in Hindi, Tamil, Kannada and Gujarati.
V Satish, Ram Lal, S Gurumurthy and AK Doval share the stage with Modi. Akali Dal's Sukhdev Singh Dhindsa, Haryana Janhit Congress's Kuldeep Bishnoi and eminent film personality Shekhar Kapur are also present. Nobel Prize winner Dr Lee Hartwellis also present.
Narendra Modi at Amritavarsham 60, the venue of the programme.