The president will meet with Prime Minister Shinzo Abe during his stay.
Abe was accorded a ceremonial reception on his arrival at the Ahmedabad Airport, on Wednesday. The two leaders are scheduled to visit the historic Sabarmati Ashram and the iconic 16th century mosque in the old city, Sidi Saiyad Mosque, on Wednesday.
PM Modi and his Japanese counterpart will be attending the 12 edition of the India-Japan annual summit at Modi's home state Gujarat.
Abe also wants to discuss with Modi possible Japanese exports of nuclear power equipment and technology to India now that a civilian nuclear cooperation pact between the nations has taken effect in July, they said.
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When India were 2 down, Sri Lanka were right back in the game with scoring rate being brought down and new batsmen at the crease. The focus of the lone T20I was whether India would be able to complete a 9-0 thrashing of Sri Lanka across formats.
The train is expected to significantly reduce the travel time between the two cities. The Railways have already set up the National High Speed Corporation Limited not only to implement the first bullet train but also to implement these six other "bullet train" projects.
"Love and Thanks", Abe wrote in a short message in Japanese on the visitors' log book which was also signed by his wife.
At 1 Pm there will be an exchange of agreements and press statements by the two PM's.
The centrepiece of the Abe visit will be laying of the foundation stone for India's first bullet train, connecting Mumbai and Ahmedabad on Thursday.
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This comes just when the Indian Railways is already facing a lot of heat for repeated incidents of derailment. This is the fourth case of train derailment in less than a month and the second on Thursday alone.
Cultural performances continued as Modi and Abe headed towards the Sabarmati Ashram to take tour of Hridaykunj.
Though most of Abe's first day was spent sight-seeing, India and Japan did sign a memorandum of understanding (MoU) for the expansion of an global laboratory set up for collaborative research in biotechnology on Wednesday.
Following this ceremony later in the evening both the leaders will then hold the 12th India-Japan annual summit at Mahatma Mandir in Gandhinagar.
Mr Abe is also keen to discuss with Mr Modi upgrading "two-plus-two" security talks involving vice-foreign and defence ministers to a ministerial-level dialogue in light of Beijing's growing influence, said Japanese government sources on Tuesday.
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Abe is seen as a friend of India and ties between India and Japan have warmed dramatically since Abe's re-election as prime minister in December 2012. Adding that Japan must not make "random comments", the Chinese foreign ministry had said "the Japanese ambassador in India might really want to back India, but I want to warn him not to speak carelessly before he is fully aware of the facts".