* Justice Jasti Chelameswar:
He is the second senior most judge of the apex court after Chief Justice of India (CJI) Dipak Misra.
Justice Chelameswar had stoked controversy several times and was in the news for not attending the collegium meetings on the appointment of judges for higher judiciary.
He was also in the news for the wrong reasons in November last year when a two-judge bench headed by him had ordered setting up of a five-judge bench of senior most judges of the court to hear pleas by an NGO and a lawyer, levelling serious allegations of bribes being taken in the names of judges to get favourable order in a medical college case.
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Justice Chelameswar was the lone judge who had dissented when a five-judge bench had struck down the constitution amendment and held as unconstitutional the National Judicial Appointments Commission (NJAC) Act.
He was part of the nine-judge constitution bench which had declared right to privacy as a fundamental right.
Justice Chelameswar, who is set to retire as an apex court judge on June 22 this year, has also dealt with several important issues including Aadhaar and the JNU case which had witnessed violence inside the Patiala House Court complex here.
He is in line to become the next CJI after Justice Misra retires as CJI on October 2 this year. He would have a tenure as CJI till November 17, 2019.
A bench headed by Justice Gogoi had last month directed that 12 special courts, to be set up to exclusively deal with cases involving lawmakers, should start functioning from March 1, 2018.
Justice Gogoi-led bench had issued contempt notice to former Supreme Court judge Markandey Katju for allegedly using "intemperate" language and "scandalising" the judiciary in one of his Facebook posts. Justice (retd) Katju had appeared before the apex court and tendered unconditional apology which was accepted by the bench.
* Justice Madan Bhimarao Lokur:
He has been dealing with several important social issues like fake encounter killings in insurgency-hit Manipur, providing shelter to urban homeless, child marriage, prison reforms, uploading of sexual abuse videos on internet and a case related to destitute widows.
Justice Lokur-led bench in October last year had passed a historic verdict criminalising sex with a wife who is not a major holding that sexual intercourse with a girl below 18 years of age, even by the husband, would now amount to rape.
Later, another bench of the top court had held that firecrackers would not be sold in Delhi-NCR during Diwali.
The bench headed by Justice Lokur, who is set to retire on December 30 this year, is also dealing with issues like air pollution and preservation of historic Taj Mahal.
Justice Lokur was in the news when he was replaced as the head of the Supreme Court's e-committee for digitisation of the courts across the country by then CJI T S Thakur.
* Justice Kurian Joseph:
He was part of the five-judge constitution bench which by a majority of 3:2 had set aside the 1,400 year old practice of 'triple talaq' among Muslims.
Justice Joseph, along with Justices R F Nariman and U U Lalit, had delivered the majority judgement in the triple talaq case in which the then CJI J S Khehar was in a minority.
He had stoked controversy in April 2015 with his letter to then CJI H L Dattu opposing Chief Justice's conference being held on a Good Friday, a auspicious day for Christians.
Similarly, he had written a letter in 2013 to the Chief Justice of the Delhi High Court raising the issue of lack of amenities in children parks in the national capital.
Justice Joseph is set to retire on November 29 this year.
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