The High Court of Kerala is headquartered at Ernakulam, Kochi.

After completing his graduation in Economics from Baselius College, Kottayam, he obtained a law degree from Kerala Law Academy, Thiruvananthapuram.

[1][2][3] Arun was enrolled as Advocate on 08.01.1989 and started his practice in various courts at Calicut and later shifted his practice to High Court of Kerala, Ernakulam in December, 1990 with Senior Advocate TR Raman Pillai.

In 2005 he was appointed as the Editor of Indian Law Reports Kerala Series and he served with post till 04.11.2018.

On 05.11.2018 he was elevated as Additional Judge of High Court of Kerala.