He said Gandhi and Jinnah were great leaders who collectively worked to avoid 'partition' and keep India united.
"Actually, the history of the sub-continent would have been different if the efforts made by Gandhiji and Jinnahsaheb had succeeded," Kasuri said.
The Pakistani politician, who served as Foreign Minister from 2002 to 2007, was talking to reporters after visiting Mani Bhavan, which was the nerve centre of Gandhiji's activities in Mumbai (then Bombay) from 1917 to 1934.
Commenting on the current state of relations between the two neighbours, Kasuri said, "It is incumbent on India and Pakistan to realise that their founding fathers had completely different views on how Muslims and Hindus would conduct themselves in reference to each other.
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Earlier, Kasuri went around Mani Bhavan and showed keen interest in books, items and other displays kept at the two-storied historic building localed in Gamdevi area.
After a 55-minute visit, he wrote in the visitor's book, "It is a great pleasure to be here. Gandhiji left an indelible mark on the minds of Hindus and Muslims. He made great efforts to bring them together during the Khilafat movement."
Kasuri was accompanied by Sudheendra Kulkarni, a former BJP member and columnist who invited Shiv Sena's wrath for organising the Pakistani politician's book release in Mumbai yesterday.
Meghshyam Ajgaonkar, Executive Secretary of 'Mani Bhavan Gandhi Sangrahalay' said, "Since Kasuri belongs to a family of freedom fighters, he was very much aware of the various developments related to Gandhiji's life. Kasuriji was overwhelmed when we opened the special chamber of Gandhiji for him. He also operated the 'charkha' (yarn spinning wooden machine) kept there.