yes it is possible , an IPS officer cannot join directly to other forces, first they need to do service for their own state then on the central government's order they may have to work BSF, NSG, RAW, CBI
prime minister
Indian Police Service
Indian Police Service
Indian Administrative Service
Indian Civil Service
The National Security Advisor in India works closely with the Prime Minister of India. The advisor usually comes from the Indian Foreign Service, though there have been exceptions to that. The role of the advisor is seemingly constitutional.
officer of which rank
responsible for national security in india
sukanya security service (reg)
graduation
An Officer of Indian Administrative Service plays a major role in managing the bureaucracy of both the Union Government (Central Government) and the state governments, with its officers holding strategic posts across the country.
Indian police service