PURSHOTTAM LAL DAS vs STATE OF BIHAR .

The Supreme Court upheld the Patna High Court's dismissal of Letters Patent Appeals challenging the reversion of employees to their original posts and the recovery of excess amounts paid due to illegal promotions. The Court found that the promotions were invalid as they did not follow the statutory provisions and procedures, particularly regarding the technical and non-technical cadre distinctions. The Court held that the appellants were not entitled to the higher salary associated with the promotional posts, affirming the legality of the State's actions under the relevant service rules.