HELLO,

Several colleges in South Mumbai fit the description like having decent classrooms , usable labs and peaceful library and average but fictional infrastructure. University of Mumbai is large public university with multiple affiliated college in the area and many of them could match your expectations . So, specific colleges within the university of Mumbai like those focuses on arts , science and commerce could be good options to consider

Some college options you can consider :-

1. Jai Hind College

2. St. Xavier's College

3.Sophia college for women

4.SIES college of arts , science and commerce

Hope this Helps!