Shares of Kernex Microsystems (India) Limited hit a 5% upper circuit at ₹1,106.8 on Tuesday, after West Central Railways, Bhopal, issued a Letter of Acceptance (LoA) for the implementation of KAVACH over UHF backbone along with Optical Fibre Cable (OFC) and route diversity. The total accepted bid cost for the project stands at ₹151.41 crore.