4. The service condition for the post of Helper (Technical) is governed under Haryana Transport Department Haryana Roadways (Group-D) Service Rules, 1998 notified dated 17.07.1998 and Rule 9(1) (0) provide or the recruitment to the post. Entry at serial No. 15 of appendix 'B' of said Rules, 1998 provided the academic qualification as ITI Certificate in respective trade. The Competent/Recruiting Authority is General Manager concerned, therefore, the post if of Depot level and inter-se seniority at Depot level is the requirement of the rules. Further the promotional post of Helper (Technical) are Assistant Fitter/ Assistant Turner/ Assistant Electrician/ Assistant Blacksmith etc. and these promotional posts are Group-C Cadre with further promotion to Mechanic/ Blacksmith/Turner/Electrician etc. from the respective trade and as per the Service Rules notified vide notification dated 06.01.1995, namely Haryana Transport Department (Group-C) Haryana Roadways Serivce, 1995, these promotional posts are also of depot level and interse seniority at Depot level is prepared as per the rules aforesaid. However, the petitioner has not challenged the relevant provisions of the rules providing inter-se seniority for depot level for the posts upto Mechanic, therefore, there is no law point for adjudication in present writ petition. It is submitted that the private respondents were working as Mechanic since 23.01.2008 in Panipat Depot. However, at that time petitioner was posted at the Haryana Roadways, Jind Depot having different seniority. Thereafter, Petitioner was transferred to the office of General Manager Haryana Roadways, Panipat therefore, he was promoted to the post of Mechanic w.e.f. 08.10.2015 vide order No.4055/ECW/Dated 08.12.2015 as per seniority of Panipat depot. So, the private respondents are senior as Mechanic, which is feeder post to Head Mechanic. The recruitment in case of Head Mechanic is at the level of Directorate and Director is the competent Authority for promotion. The senior most Mechanic/Borer/Calibrating Mechanic/Turner are the Feeder Cadres to Head Mechanic and inter-