I am a law graduate who has been preparing for judicial services but could not get selected, As of now I want to take exams but with work and I am interested to work in field of Arbitration and Insolvency and Bankruptcy, but have no idea where to begin, Please give genuine feedback

Hey. I can tell you about arbitration. Start reading up every judgement on arbitration from today. While reading, when you see any cited judgement, read that one too until you fully understand what it deals with. Repeat everyday and you won't even realise how quickly you'll start developing an in depth understanding of the subject.

You can take assistance of articles but they can't substitute for judgements.