There was speculation that Gandhi may either skip the tour or confines it to interaction with party workers and not with farmers.
Sources in Congress also said the Congress vice president will visit Karnataka after its Assembly session is over.
About 100 farmers are reported to have committed suicide since April this year in the state and BJP plans to highlight it in a big way.
"I have got a plan to go every where. I am going to Karnataka," Gandhi told reporters on his 10 km-long 'padyatra' (foot march) from a village in the Anantapur district of Andhra Pradesh.
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Indira Gandhi had addressed a meeting in 1979 in the district to highlight issues faced by farmers and women Self-Help Groups.
The Congress vice president undertook his 'padayatra' from Obuladevara Cheruvu village to Mamilakuntapalli, a three kms stretch. He is scheduled to interact with farmers, weavers and students.
It is Gandhi's first visit since bifurcation of Andhra Pradesh, where Congress drew blank in the Assembly and Lok Sabha elections held in 2014.
His visit is being seen as an effort to strengthen the Congress' base in the state.