From Penn Station, NYC or Jamaica (Queens) take Babylon Line and get off at Baldwin Station. You can walk or take a Taxi/Uber/Lyft to the temple.
Take exit 20 South from Southern State Parkway
Drive for 1.7 mile, make right turn at Seaman Ave, (just before Walgreen)
Drive 3-4 blocks and you would find New York Kali Mandir on your left.