SANKAR DEB ACHARYA vs BISWANATH CHAKRABORTY .

The Supreme Court addressed the issue of inter se seniority and promotions under the West Bengal Services (Training & Examination) Rules, 1953, the West Bengal Services (Revision of Pay and Allowances) Rules, 1970, and the West Bengal Services (Appointment, Probation & Confirmation) Rules, 1979. The Court held that seniority should be determined based on merit cum seniority, and not solely on the date of joining. The appeals were allowed, affirming the promotion rights of the appellants who had passed the departmental examination and were confirmed in service prior to the private respondents.