The Appointments Committee of the Cabinet ... has approved the appointment of Doval as NSA with effect from May 31, 2019.
"His (Doval's) appointment will be co-terminus with the term of the Prime Minister or until further orders, whichever is earlier," a Ministry of Personnel order said.
During the term, the order said, Doval will be assigned the rank of "Cabinet Minister in the table of Precedence".
In its first innings, the Modi government conducted two important anti-terror operations under Doval's watch.
In 2016, the Indian Army conducted surgical strikes on Pakistan in the aftermath of the Uri terror attack. In 2018, the Indian Air Force (IAF) bombed a terror camp in Pakistan after the Pulwama terror attack in Kashmir that killed 40 CRPF troopers.
Doval also played a crucial role in resolving the Doklam military stand-off between India and China on the country's northeastern border.
Informed sources said that Doval and newly-appointed External Affairs Minister S. Jaishankar would be the two prominent faces of Prime Minister Narendra Modi on the diplomatic and strategic fronts, both having vast experience in South East and South Asian strategic affairs.
Doval and Jaishankar earlier played a key role in bringing the Obama administration closer to Modi-led India.
Doval's deep understanding and execution of counter-terror operations and his stint in Pakistan as India's top intelligence sleuth are seen as vital assets for national security.
In an exclusive on May 29, broke the story that Doval, one of Modi's most able advisors, would continue as NSA.
Amid speculation on whether he would be appointed the Defence Minister or Ambassador to the US, the story said: "He is in many ways the PM's eyes and ears on security-related issues and sources close to the developments dismissed his move from the PMO completely."
( With inputs from IANS )