Crown Prince of Saudi Arabia Salman bin Abdulaziz Al Saud is arriving in New Delhi today on a three-day visit. Mr. Al Saud who is also Deputy Prime Minister and Defence Minister will hold bilateral talks with the Vice President Mohd. Hamid Ansari. During his stay, the Crown Prince will also call on President Pranab Mukherjee and Prime Minister Manmohan Singh. Saudi Arabia is India's fourth largest trade partner with bilateral trade reaching at 43 billion dollars in 2012-13. It is also India's largest crude oil supplier accounting for about one-fifth of its total imports . Saudi Arabia is exploring the potential of a Joint holding company based in New Delhi and a defence co-operation agreement is in the cards. India is looking forward to increased investment in its infrastructure sector projects.Our correspondent reports that both the countries have witnessed significant progress in bilateral cooperation in key areas of mutual interest, including energy security, trade and infrastructure development projects.