In its 42-page ruling, the ICJ ruled that Pakistan had "breached" the Vienna Convention on diplomatic relations, which gives countries the right to consular access when their nationals are arrested abroad.
So far, almost every positive development in terms of the bilateral ties has been overtaken by innate hostility that is often driven by popular sentiments.
One of the conditions put by Pakistan reportedly was the presence of a Pakistani official when the Indian prisoner is allowed to meet Indian officials as part of the consular access.
The Foreign Office sources said that adequate security measures will be taken for complete safety of Jadhav's family.
An anti-terrorism court in Pakistan has indicted former military ruler General Parvez Musharraf in the murder case of Baloch nationalist Nawab Akbar Bugti.
The bomb was planted along the side of the road and exploded as the Anti-Terrorism Force vehicle passed by.
India based its case on two broad issues -- breach of Vienna Convention on consular access and the process of resolution.
India, in its appeal to the International Court of Justice, accused Pakistan of "egregious" violations of the Vienna Convention on Consular Relations.
Pakistan on Wednesday hanged two more death-row prisoners, taking the total number of executions to 70 since the country reversed the self-imposed moratorium on the death penalty in December after the Taliban school massacre.
India will need to watch carefully and understand the new round of instability and uncertainty in Pakistan, while charting the course of its future diplomatic initiatives, points out Rana Banerji, who headed the Pakistan desk at the Research and Analysis Wing, India's external intelligence agency.
Jadhav, a retired Indian Navy officer, was sentenced to death by a Pakistani military court on charges of espionage and terrorism in April 2017. Weeks later, India approached the ICJ against Pakistan for denial of consular access to Jadhav and to challenge the death sentence.
Pakistan's Foreign Office spokesman Mohammad Faisal confirmed in a tweet that Jadhav's family had applied for visas.
Pakistan has repeatedly denied India consular access to Jadhav on the ground that it was not applicable in cases related to spies.
The perpetrators of the 2008 Mumbai attack, who shot dead 166 people, had confessed to details that should have been enough to hang him, but Pakistan enjoyed his anti-India rhetoric and let him spread his tentacles. A revealing excerpt from Khaled Ahmed's Pakistan's Terror Conundrum.
The Indian man, who has not been identified, was arrested from F-8 area of Islamabad for not having complete travel documents.
"We will decide a further course of action after receiving a detailed report from our Charge d' Affaires and determining the extent of conformity to the ICJ directives," said the MEA spokesperson.
The bench also ruled that Pakistan had violated India's rights to consular visits after his arrest.
Here is a detailed timeline of the important developments in the matter of Jadhav so far.
India has slammed Pakistan for its decision to hold elections in Gilgit-Baltistan and said any action to alter the status of the militarily-occupied region has no legal basis.
Jadhav was sentenced to death by a Pakistani military court in April on charges of espionage and terrorism.
Pakistan's lawyer Khawar Qureshi also alleged that Jadhav was an "instrument of India's official policy of terror".
Rejecting India's stand that Jadhav was kidnapped from Iran, Basit said he was caught in Balochistan and tried for 'espionage and sabotage'.
Thirteen people were killed and over 70 others injured in the suicide blast which had targeted police officials.
Indian High Commissioner in Islamabad Gautam Bambawale met Pakistan Foreign Secretary Tehmina Janjua in connection with the case of Jadhav, who has been given death sentence by a Pakistani military court for alleged spying.
Salve said it is important to be 'positive' after such a positive ruling.
Congress demanded a judicial inquiry by a sitting high court judge.
Kulbhushan Jadhav's wife and mother will arrive in Islamabad on Monday to meet the Indian prisoner on death row, the Pakistan foreign office has said. They will arrive in Islamabad by a commercial flight and leave the same day after the meeting, it added.
There is also no information on what has happened to the appeal by Jadhav's mother.
"Under the law we cannot give consular access to Khubhushan who was involved in spying," Pakistan Military spokesman Major General Asif Ghafoor told reporters.
The official said the listeners of all the languages are sending messages through e-mails and WhatsApp to AIR. "The gist of the messages are that the people are considering this act of Pakistan as unIslamic as punishing innocent is against the tenets of Islam. Travellers are given high regards in Islam," the official added.
The attested report of Court Martial General will also be included in the dossier.
Pakistan said that Jadhav is not an ordinary person as he had entered the country with the intent of spying and carrying out sabotage activities.
At the hearing while India demanded the immediate suspension of the former navy officer's death sentence, Islamabad accused it of using the world body as a stage for "political theatre" through a "misconceived" plea.
Experts trace the reasons for the 26/11 attacks to the Pakistan's military interest in three key areas: Kashmir, Afghanistan and nuclear armaments.
Indian High Commissioner in Islamabad Gautam Bambawale on Wednesday met with Pakistan's Foreign Secretary Tehmina Janjua and sought the consular access to Jadhav.
Civilian and military security forces deployed in Balochistan have done little to investigate attacks on Hazara or take steps to prevent the next attack, says a Human Rights Watch report.
The external affairs ministry said Pakistan has also been asked not to subject the two women to any questioning, harassment or interrogation during their stay in Pakistan.
'The Modi government will be wasting its time talking to Nawaz Sharif.' 'It would be better if it were to open a direct channel with the Pakistan army,' says Rajeev Sharma.
India on Thursday slammed Pakistan for making "absurd" charges of a chip, camera or a recorder being installed in the footwear of the wife of Jadhav.
According to Pakistan's National Counter Terrorism Authority (NACTA) list, which was updated on Tuesday, JuD and FIF were among 70 organisations proscribed by the ministry of Interior under the Anti-Terrorism Act 1997.