'All options are there on the table. Yesterday when this terror attack was conducted, we celebrated the 29th anniversary of the full establishment of diplomatic relations between Israel and India, exactly yesterday. So, it may not be a coincidence but all options are being investigated'

The 89-year old said the strongest powers -- the US, China and Russia -- have "remained in the hands of would-be or actual dictators and the ranks of authoritarian rulers continued to grow".

Khan also said Pakistan has decided to partner any other country only for peace and named the partnership with the US as the one.

Underlining that years of economic stagnation have given way to a "roaring geyser of opportunity", Trump said, "I knew that if we unleashed the potential of our people, cut taxes, slashed regulation, fixed broken trade deals and fully tapped American energy that prosperity would come thundering back ... and that is exactly what happened."

China and India evoked the highest levels of confidence among major economies at 45 per cent and 40 per cent, respectively. The US was at 36 per cent, Canada at 27 per cent, the UK at 26 per cent, Germany at 20 per cent, France 18 per cent, and Japan having the least optimistic CEOs with only 11 per cent very confident of growing revenues in 2020.

For the first time, more than half of the CEOs surveyed by global consultancy PwC said they believe the rate of global GDP growth will decline. In comparison, the survey had found a record level of optimism among CEOs two years ago in 2018.

IMF Chief Economist Gita Gopinath also said the pickup in global growth for 2020 remains highly uncertain as it relies on improved growth outcomes for stressed economies like Argentina, Iran, and Turkey and for under-performing emerging and developing economies such as Brazil, India, and Mexico.

This next phase of globalisation needs to deliver economic growth so that it is equitable: Nadella.

Hard selling India as an investment destination at the WEF, Modi said the government is following the principle of reform, perform and transform.

Under the tagline of 'India means business', the roundtable was attended by 40 CEOs of global companies and 20 from India.

Modi, the first Indian prime minister to attend the summit in two decades, would deliver the opening plenary address at the summit on Tuesday.

It further said India is facilitating external commercial borrowings by startups in order to encourage innovation and promote ease of doing business.

"We have tweeted that the two leaders discussed a range of issues. A range of issues means a range of issues. I don't want to add anything further... I leave it to you to draw your conclusion," external affairs ministry spokesperson Gopal Baglay said.

The two-day G20 Summit saw the Indian side making "significant contributions" on resolve to counter terrorism and boost global trade and investment.

Mallya has been in the UK for months, escaping arrest warrants against him.

Arvind Panagariya, sherpa for India at the summit, tweeted about the "interaction".

The G20 leaders resolved to facilitate swift and targeted exchanges of information between intelligence, law enforcement and judicial authorities on operational information-sharing, preventive measures and criminal justice response.

Modi regretted that the international response to terrorism was weak and said more cooperation was needed to fight the menace.

Modi emphasised that it was necessary to work together for sustained global economic recovery.

A city like Davos in India would give a big boost to tourism, development, jobs and overall economy