Rahul has an M.Phil from Trinity College, Cambridge University.
Gandhi is educated at the Harvard University.
Bilawal Bhutto Zardari, the son of Pakistan President Asif Ali Zardari, waves as he tours the Ajmer Sharif, the shrine of Sufi saint Khwaja Moinuddin Chishti, in Ajmer, 250 miles southwest of New Delhi.
"AOA India Peace be with you," is how Bhutto scion Bilawal announced his arrival in India along with his father and Pakistan President Asif Ali Zardari and noted that there was "much to learn" from each other after his lunch with Rahul Gandhi and Prime Minister Manmohan Singh.
Dressed in a dark pathani suit, 23-year-old Bilawal Bhutto Zardari tweeted to announce his landing on Indian soil to his over 14,000 online followers.
"AOA India Peace be with you. I have just landed in Delhi. 1st ever visit," the Oxford-educated Chairman of the Pakistan's ruling PPP, who accompanied Zardari on a day-long visit to India, said on Twitter.
Rahul Gandhi played an important role in the Congress' turn of fortune in the 2009 General Elections.
President Zardari, who was on a one-day personal trip to India, visited the shrine with his son and attended a lunch with Indian Prime Minister Manmohan Singh. Bilawal tweeted throughout his stay in India.
There have been speculations about Rahul Gandhi's personal life and prospects of marriage.
Bilawal apparently has a black belt in Taekwondo.
Rahul, 41, and Bilawal, 23 seemed to have gotten along famously during the visit.
He has studied modern history, British history and general history during his stay at Oxford.
His political future may be uncertain but Rahul Gandhi has repeatedly made it to lists of India's most eligible bachelors.
Bilawal Zardari, the son of Pakistan President Asif Ali Zardari, gave tough competition to Congress General Secretary Rahul Gandhi, popular with women due to his eligible bachelor status. See the pictures and decide who's more interesting!
A smiling Bilawal shook hands with officials present to receive him and his father at the Palam Air Force base and turned to the media waving his hands. He won over the Indian media with an easy boyish charm.
Bilawal later said he "enjoyed" his lunch with Nehru-Gandhi family scion and Congress leader Rahul Gandhi and Prime Minister Manmohan Singh.
From the lip-smacking Jaitooni Murg Seekh and Gosht Barra Kebab to the crispy Bhindi Kurjuri and the rich Phirni, the Pakistani delegation was today treated to the best of Indian meal by the Prime Minister.