Israel needs to come terms with the new reality that they are no longer invincible or the dominant power in the West Asian region, observes Ambassador M K Bhadrakumar.
Prime Minister Narendra Modi on Sudnay arrived in Tehran on a two-day visit.
Shocks were also felt in Pakistan, Lebanon, Kuwait and Turkey, news agencies in those countries reported.
Saudi Arabia on Sunday came under attack globally a day after it carried out mass execution of 47 people, including Shia cleric Sheikh Nimr al-Nimr who was a vocal critic of the government and the Saudi monarchy.
The Geneva agreement is a signal, which at least Saudi Arabia and Israel are so reading, that normalisation of relations between US and Iran is not merely about the nuclear fuel cycle, says K C Singh.
The powerful United Nations Security Council on Monday unanimously adopted a resolution that endorses the landmark nuclear deal between Iran and six world powers.
The Chabahar port, says Ambassador M K Bhadrakumar, 'can be the first significant footfall in an Indian variant of the 'Belt and Road' initiative.'
Both the Greek and Iranian deals are extremely imperfect and fraught with uncertainty, says Claude Smadja.
Invoking India's "civilisational ties" with Iran, Prime Minister Narendra Modi flew in to Tehran on Sunday on a two-day visit, saying his talks with the Iranian leadership would provide him an opportunity to advance the "strategic partnership" between the two countries.
'Tehran senses that the Modi government is inexorably gravitating toward the US-Israeli-Saudi axis, jettisoning India's traditional independent Gulf policies,' notes Ambassador M K Bhadrakumar.
Saudi Arabia has severed diplomatic ties with Iran following attacks on the kingdom's embassy and consulate in the Islamic Republic over the execution of a Shiite cleric.
Iran's decision to keep India out and welcome China to the scene is a huge strategic setback for India, observes Dr Rajaram Panda.
The possibility of a deal between Iran and the world on its nuclear programme has some perils but much promise for India, says Uday Abhyankar
'The bigger challenge and dilemma for Pakistan would be if the US and Saudi Arabia go full throttle against Iran and enforce regime change in Tehran.' 'That would be bad news for Pakistan, especially with the current instability in Balochistan,' notes Brigadier Narender Kumar (retd).
India's low passion, very cautious, relationship with Iran of the last 36 years awaits transformation, says Lieutenant General Syed Ata Hasnain (retd). Prime Minister Modi's visit cannot be a negotiating event; it is a symbolic one to strengthen the politico-diplomatic relationship.
The White House said it has 'a large body' of evidence indicating that the Assad regime was responsible for the April 7 chemical attack in Duma.