The Holy Cross Colony and extension (also called IC extension), on Holy Cross Street, which extends beyond IC Colony towards Dahisar (Mumbai's last zone before Thane district) is also part of the extended Catholic locale.

[citation needed] Soon the Franciscan bought the neighbouring villages of Pare(Goregaon) and Arrangal around 1556 A.D.- 1559A.

[citation needed] Around 1630 there was about 1500 parishioners in the villages of Mount Poinsur, Dhainsa (Dahisar), Simpor, Canary (Kanheri) and Cassor.

Joao Bras Fernandes rebuilt the old parish Church and has been functioning till date.

[citation needed] There is a Marathi speaking Protestant congregation called the Methodist Marathi Church Borivali - in IC Colony.Saint Francis D'Assisi High School, located next to the church and Mary Immaculate Girls' High School are also located in I.C.