Nowadays there has been lot of talk impeachment of Justice Soumitra Sen. It is wrong to talk of impeachment of a High Court Judge. A High Court Judge is removed, not impeached.
The constitution of India provides for the impeachment of President and removal of Vice President, Deputy Chairman of the Council of States (Rajya Sabha), Speaker and Deputy Speaker of the House of the People (Lok Sabha), Comptroller and Auditor General of India, Chief Election Commissioner, Speaker and Deputy Speaker of Legislative Assembly, Chairman and Deputy Chairman of Legislative Council, Judges of Supreme Court and High Courts and members of Public Service Commissions. Attorney General and Governors hold office during the pleasure of the President. Advocate General holds office during the pleasure of the Governor.