The appellant, Om Prakash Rajgarhia, who is the erstwhile Managing Director of Overnite Express, had filed Company Appeal (AT) (Insolvency) No. 403 of 2020. This appeal was filed against Hi Tech Resource Management Ltd. & Anr. The specific details of the initial dispute that led to this appeal are not provided in the given text, but it is understood to be related to insolvency proceedings. The appeal was brought before the National Company Law Appellate Tribunal (NCLAT), Principal Bench, New Delhi.

The appellant, Om Prakash Rajgarhia, who is the erstwhile Managing Director of Overnite Express, had filed Company Appeal (AT) (Insolvency) No. 403 of 2020. This appeal was filed against Hi Tech Resource Management Ltd. & Anr. The specific details of the initial dispute that led to this appeal are not provided in the given text, but it is understood to be related to insolvency proceedings. The appeal was brought before the National Company Law Appellate Tribunal (NCLAT), Principal Bench, New Delhi.