The following is the flashback to Air India's Northern summer 1974 international network, taken from Official Airline Guide Worldwide Edition, March 1974.

All city names are used based on listing from the time.

India to Europe/US
Bombay – Beirut – Rome – Paris – London – New York 1 weekly 747
Bombay – Delhi – Beirut – Frankfurt – Paris – London – New York 1 weekly 747
Bombay – Delhi – Beirut – Rome – Frankfurt – London – New York 1 weekly 747
Bombay – Delhi – Kuwait – Rome – Frankfurt – London – New York 1 weekly 747
Delhi – Bombay – Beirut – Rome – Paris – London – New York 1 weekly 747
Delhi – Bombay – Kuwait – Frankfurt – Paris – London – New York 1 weekly 747
Delhi – Bombay – Kuwait – Rome – Paris – London – New York 1 weekly 747

Europe / US to India
New York – London – Frankfurt – Rome – Beirut – Delhi – Bombay 1 weekly 747
New York – London – Frankfurt – Rome – Kuwait – Delhi – Bombay 1 weekly 747
New York – London – Paris – Frankfurt – Kuwait – Bombay – Delhi 2 weekly 747
New York – London – Paris – Rome – Beirut – Bombay 1 weekly 747
New York – London – Paris – Rome – Beirut – Delhi – Bombay 2 weekly 747

Other India to Europe routing
Bombay – Cairo – Geneva – Frankfurt – London 1 weekly 707
Bombay – Delhi – Beirut – London 1 weekly 747
Bombay – Delhi – Teheran – Moscow 2 weekly 707
Calcutta – Bombay – Dhahran – Cairo – Geneva – Frankfurt – London 1 weekly 707

Other Europe to India routing
London – Frankfurt – Geneva – Cairo – Bombay 1 weekly 707
London – Frankfurt – Geneva – Cairo – Dhahran – Bombay – Calcutta 1 weekly 707
London – Paris – Beirut – Delhi – Bombay 1 weekly 747
Moscow – Teheran – Delhi – Bombay 2 weekly 707

India to East Asia / Oceania routing
Bombay – Calcutta – Bangkok – Hong Kong 1 weekly 707
Bombay – Delhi – Bangkok – Hong Kong – Tokyo 3 weekly 707
Bombay – Delhi – Hong Kong – Osaka 2 weekly 707
Bombay – Madras – Kuala Lumpur – Singapore 1 weekly 707
Bombay – Madras – Singapore – Jakarta 1 weekly 707
Bombay – Madras – Singapore – Perth – Sydney 1 weekly 707
Bombay – Madras – Singapore – Perth – Sydney – Nadi 1 weekly 707
Delhi – Dacca 2 weekly 707

East Asia / Oceania to India routing
Dacca – Delhi 2 weekly 707
Jakarta – Singapore – Madras – Bombay 1 weekly 707
Nadi – Sydney – Perth – Singapore – Madras – Bombay 1 weekly 707
Osaka – Hong Kong – Bangkok – Delhi – Bombay 2 weekly 707
Singapore – Kuala Lumpur – Madras – Bombay 1 weekly 707
Sydney – Perth – Singapore – Madras – Bombay 1 weekly 707
Tokyo – Hong Kong – Bangkok – Calcutta – Bombay 2 weekly 707
Tokyo – Hong Kong – Bangkok – Delhi – Bombay 2 weekly 707

India to Middle East / Africa routing
Bombay – Abu Dhabi – Bahrain 1 weekly 707
Bombay – Abu Dhabi – Doha 1 weekly 707
Bombay – Aden – Addis Ababa – Nairobi 1 weekly 707
Bombay – Addis Ababa – Nairobi 1 weekly 707
Bombay – Dubai – Bahrain 1 weekly 707
Bombay – Dubai – Bahrain – Kuwait 1 weekly 707
Bombay – Muscat – Dubai – Kuwait 1 weekly 707
Bombay – Nairobi 1 weekly 707

Middle East / Africa to India routing
Bahrain – Dubai – Bombay 1 weekly 707
Bahrain – Muscat – Bombay 1 weekly 707
Doha – Dubai – Bombay 1 weekly 707
Kuwait – Abu Dhabi – Dubai – Bombay 1 weekly 707
Kuwait – Bahrain – Abu Dhabi – Bombay 1 weekly 707
Nairobi – Addis Ababa – Aden – Bombay 1 weekly 707
Nairobi – Addis Ababa – Bombay 1 weekly 707
Nairobi – Bombay 1 weekly 707