Yes. 2971 Dn Bandra to Bhavnagar express stops at Borivali as per regular time table. No impact on this 2971 dn of Borivali mega block.
However, because of mega block at Borivali, 2972 up i.e. Bhavnagar - Bandra train does not stop at Borivali but stops at Vasai Rd and Andheri.