Last year, the chief minister had observed fast Vijayawada on his birthday on April 20 demanding special status for the state.
The Telugu Desam Party had walked out the BJP-led NDA a year ago protesting the "injustice" done to Andhra Pradesh after its bifurcation.
Naidu is scheduled to pay tributes to Mahatma Gandhi at Raj Ghat and also to the Ambedkar Statue at the Andhra Pradesh Bhavan before sitting on the hunger strike.
A large number of protesters from Andhra Pradesh has already reached the national capital. The Chief Minister has participated in "Dharma Porata Deeksha" in 11 districts of Andhra Pradesh so far.
Making a pitch for his government ahead of the upcoming Lok Sabha elections, the PM said that while the previous governments neglected the state for decades, the NDA government is trying to help in the development of North East.
Addressing a massive rally at Changsari near here, Prime Minister Modi said, "There is a difference between infiltration by those who want to have a stranglehold over the country and migration of those who had to flee to India to escape religious persecution in Afghanistan, Bangladesh and Pakistan". He said the opposition alliance comprised people facing allegations of cheating the poor and the country and remarked that the law was catching up with them.
Thai king calls sister's bid to run for prime minister 'inappropriate'
Prime Minister Prayuth Chan-ocha, the preferred candidate of the military, is considered to be indelibly loyal to the monarchy. But the couple eventually divorced and she moved back to Thailand where she is still considered part of the royal family.
Naidu also alleged that YSR Congress mobilised crowds for the Prime Minister's public meeting at Guntur as the BJP had totally "lost" public support in the state.
"He is using every abusive word from dictionary against me".
As Modi had addressed him as Lokesh's father, Naidu retorted by calling him the Prime Minister husband of Jashodaben.
China on Saturday "firmly opposed" Prime Minister Narendra Modi's visit to Arunachal Pradesh, asserting that it has never recognised the sensitive border state and the Indian leadership should refrain from any action that may "complicate the boundary question".
Prime Minister Narendra Modi on Sunday launched a scathing attack on Andhra Pradesh Chief Minister N. Chandrababu Naidu, saying he was having sleepless nights as the Centre was seeking an accounting of every rupee given to the state.
Naidu also called demonetisation a "mad Tughlaq act".