Title: List of sitting judges of High Courts of India
Content:  There are 25 high courts in India. The number of total judges sanctioned in these high courts are 1098 of which 829 judges are permanent and remaining 269 sanctioned for additional judges. , 402 of the seats about 36% are vacant. Allahabad High Court, has the largest number (160) of judges while Sikkim High Court has the smallest number (3) of judges. The lists of high court judges are maintained by the Ministry of Law and Justice.
Title: Judiciary of India
Content:  of the state. The number of judges in a court is decided by dividing the average institution of main cases during the last five years by the national average, or the average rate of disposal of main cases per judge per year in that High Court, whichever is higher. The Calcutta High Court is the oldest High Court in the country, established on 2 July 1862, and the Allahabad High Court is the largest, having a sanctioned strength of 160 judges. High Courts which handle a large number of cases of a particular region have permanent benches (or a branch of the court) established there. For litigants of remote regions, 'circuit benches' are set up, which work for those days in a month when judges visit.
Title: Indian High Courts Act 1861
Content:  Each High Court could consist of a chief justice and up to 15 judges. Under §3 of the Act, judges could be selected from barristers (with 5 years of experience), civil servants (with 10 years of experience including 3 years as a zillah judge), judges of small cause courts or sudder ameen (with 5 years of experience), or pleaders of lander courts or High Courts (with 05 years of experience). The High Court of a State is the highest court of the State and all other courts of the State work under it. Normally there is one High Court in every State but there can be only one High Court 
Title: List of sitting judges of High Courts of India
Content:  The Allahabad High Court in the state of Uttar Pradesh can have 120 permanent judges as well as 40 additional judges, bringing its total sanctioned strength to 160 judges. Currently, 95 judges have been appointed.
Title: Indian High Courts Act 1861
Content:  two or more States as well, according to the constitution. There is one High Court at Chandigarh for Punjab, Haryana and Union Territory of Chandigarh. Similarly there is one High Court at Guwahati which serves Assam, Arunachal Pradesh, Mizoram and Nagaland. Composition: In every High Court, there is a Chief Justice and many other judges whose number is defined by the President of India. Appointment of the Judges: The Chief Justice of a High Court is appointed by the President with the consultation of the Chief Justice of the Supreme Court and the Governor of the State. The other judges are appointed by the will of President, Governor and the 
Title: Karnataka High Court
Content:  The High Court is composed of the Chief Justice of Karnataka and other judges. Judges are appointed by the President of India. As of December 2020, there are 46 judges in the High Court, out of a sanctioned maximum strength of 62. Abhay Shreeniwas Oka is the Chief Justice since May 10, 2019.
Title: List of sitting judges of High Courts of India
Content:  The Calcutta High Court sits at Kolkata, the capital of the state of West Bengal, and has additional benches sitting at Port Blair in the Andaman and Nicobar Islands, as well as at Jalpaiguri in West Bengal. It can have a total of 72 judges, of which 54 judges must be permanently appointed and 18 may be additionally appointed. Currently, it has 39 judges.
Title: Gujarat High Court
Content:  All judges of the high court are appointed by the President of India after recommendation by the Supreme Court Collegium. They hold constitutional post and there are ample safeguards provided in the constitution to ensure the independence of the judiciary. Any judge can resign by writing to the President of India. Terms of appointment of judges cannot be altered to their disadvantage after their appointment.
Title: List of sitting judges of High Courts of India
Content:  The Kerala High Court sits at Kochi and has jurisdiction over the state of Kerala. It is permitted to have a maximum of 47 judges of which 35 may be permanently appointed and 12 may be additionally appointed. Currently, it has 41 judges.
Title: List of sitting judges of High Courts of India
Content:  The Madras High Court sits at Chennai and has jurisdiction over the state of Tamil Nadu. It is permitted to have a maximum of 75 judges, of which 56 may be permanently appointed and 19 may be additionally appointed. Currently, it has 60 judges.

Question: who decides the number of judges in the high court?
Answer: the President of India.