It carries the privileges equivalent to Cabinet Minister in Government of Karnataka.
Southern States of India have felt they lack requisite support to co-ordinate with Government of India to get funds, support and fervour to their states.
Hence, they have preferred to appoint a dedicated liaison person, seated at National Capital Delhi to ensure optimal benefit to their states.
[1] Karnataka started this practice in 2007 by appointing V. Dhananjay Kumar.
Later, post of Additional Special Representative was created in 2009, to assist in securing better support from Union Government.