@ Correction
Thanking you for your posting. It is an old race and has gone several minor changes of name so perhaps it is necessary to give full details.
1926 - 1933 Mumbai - Northumberland Handicap
1934 - 1941 Mumbai - Northumberland Plate
1942 - 1981 ------- No Race -------
1982 - 1984 Pune - Northumberland Cup
1985 - 1986 Pune - Northumberland Trophy
1987 Pune - Northumberland Cup, L
1988 - 1993 Pune - Northumberland Trophy, L
1994 - 1995 Pune - Suresh Mahindra Northumberland Trophy, L
1996 Pune - Suresh Mahindra Northumberland Trophy
1997 - 2019 Pune - Suresh Mahindra Trophy
Of course during its Mahalakshmi days place was called Bombay.