Singh's last journey of 8-kilometre was accompanied with an Air Force band.
BJP veteran LKAdvani, and Chief of Naval Staff Sunil Lanba laid a wreath at Brar Square in Delhi's Cantonment area, Hindustan Times reported. Singh was the only officer of the IAF to be given a distinction equal to that of a Field Marshal.
The prime minister also wrote a message of condolence at Singh's residence and interacted with his family members.
Prime Minister Narendra Modi on Sunday evening visited the house of Marshal to pay his tributes.
"As a mark of respect to the departed dignitary, a state funeral will be accorded and national flag will fly half-mast on the day of the funeral (September 18) in Delhi on all buildings where it is flown regularly", a Home Ministry spokesperson said.
-Defence Minister Nirmala Sitharaman had on Sunday stated that along with a state funeral and an appropriate gun salute, a Flypast may take place, depending on the weather conditions, to honour the contribution of the Air Force Marshal.
Arjan Singh, known for his role in the 1965 Indo-Pak war, was admitted to the Army Hospital Research and Referral after he suffered a heart attack.
The funeral procession of the sole Marshal of the Indian Air Force, Arjan Singh, is now underway in the national capital on Monday.
"Sad at demise of a great air warrior & Marshal of the Air Force Arjan Singh". Arjan Singh, during the second world war, commanded the 1 Squadron of the Air Force as they fought on the Burma front. And the same year, he was awarded with the distinguished Flying Cross. He was promoted to the five-star rank in 2002.
Arjan Singh - a hero of the 1965 India-Pakistan war - was part of an elite club of military men. The Indian Air Force flew nearly 100 IAF aircraft above the Red Fort in August 15, 1947, which were led by Singh. Between 1989 and 1990, he was Delhi's Lt Governor.