The Centre notified the appointment of Rao Raghunandan Rao, Battu Devanand, Donadi Ramesh and Nainala Jayasurya as judges to the High Court.
Law Minister Ravi Shankar Prasad said that he would look into the issue of appointment of some more judges in the Calcutta High Court.
With their appointment, the strength of the High Court rose to 56 against a sanctioned strength of 85 judges.
Now, the mobile component of the security has been added and an escort vehicle with armed guards will accompany each judge’s vehicle.
As part of the security drill, additional troops have been deployed at the residences of the judges with some barricades on the roads leading to their houses.
The Court, however, recommended that a fresh recruit into the judicial service should be imparted training for not less than one year, preferably two years.
However, the name of one other lawyer, Tarikere Sathyanarayana Venkatesh, was remitted by the Collegium to the High Court.
Centre may flag skew in regional representation, bypassing of seniority, as it did in the case of Justice Joseph.
Bogged down with a huge pendency of cases, judges are now being trained for supervisory and administrative skills so that better case management and disposal of cases can be achieved.
Justices Talwant Singh, Rajnish Bhatnagar, Brijesh Sethi and Asha Menon were administered the oath of office by Delhi High Court Chief Justice Rajendra Menon.
The Collegium has deferred its decision on the proposal for elevation of four other advocates -- Krishnendu Datta, Saurabh Kirpal, Priya Kumar, and Sanjoy Ghose.
With the Supreme Court collegium yet to take a decision on the appointment of judges, seven vacancies are looming large in the apex court.
Collector gives nod for reopening after expert panel finds road has sufficient strength
In the January 12 press conference, the judges had accused the Chief Justice of India (CJI) of arbitrarily allocating cases.
The bench however took objection when the counsel made an attempt to bring to its notice the unprecedented January 12 press conference held by four of the top court's most senior judges.