The Supreme Court on Thursday ruled that recruitment rules for public services cannot be changed midway through the selection process unless the existing laws expressly allow such changes. A five-judge bench headed by Chief Justice DY Chandrachud, Justices Hrishikesh Roy, PS Narasimha, Pankaj Mithal, and Manoj Misra insisted on adhering to the eligibility criteria laid down at the outset of the recruitment process.