New Delhi, May 31 (ANI): Congress leader Manish Tewari gave his opinion over abolition of all Group of Ministers and Empowered Group of Ministers by the new BJP government at the Centre. Tewari stated that every government has the right to choose its own way of administration but the GoMs and EGoMs were like a single window system to take sorted decisions. He added that the UPA government had introduced the empowered and group of ministers so as to bring in exchange of ideas within different ministries.