Continuation of previous answer on Central Armed Forces and their roles.

for hilly areas. (4) Faster Innovation as due funding would be needed after jointness. (5) Promotes Cooperation among force. Yet, there are challenges: (1) Different requirements: as borders are differing, specialization is needed. Eg ITBP can work at higher altitudes but BSF can work in marshy areas. (2) How to distribute resources. (3) Political unwillingness. (4) Long history of working in silos. But jointness can be introduced in gradual manner without impacting national security.