1. IN the intant Rule the petitioners are challenging the payscales now being given to the petitioners as Milk inspector (E and V). The petitioners are also asking for a writ of Mandamus directing the respondents to revise the payscale of the petitioners with retrospective effect from 1st April, 1970 in exercise of the powers conferred by Rule 3a of the West Bengal Service Rules. Part 1 and/or Rule 15 of the West Bengal Services (Revision of Pay and Allowance) Rules, 1981 in such a manner that the pay of the petitioners be higher than that of the Assistant Supervisors (Milk Distribution). The petitioners are at present holding the post of Milk Inspectors (Enforcement and Vigilance and the petitioners were directly recruited to the said post

2. THE petitioners contend that out of the said posts of Milk Inspectors (Enforcement and Vigilance), 20 posts were sanctioned by. the Government under the designation of Supervisors in the scale of Rs. 200-10-400/- in terms of the government Order of Animal Husband dry and Veterinary Services Department dated 31st March, 1967 for the purpose of enforcing the West Bengal Milk products Control Order, 1965 and the other 20 posts were sanc