BTECH-EC-4-SEM-ANALOG-AND-DIGITAL-ELECTRONICS-NEC-409(A)-2016 BTECH-EC-4-SEM-DATA-STRUCTURE-NEC-401-2016 BTECH-EC-4-SEM-ELECTROMAGNETIC-FIELD-THEORY-NEC-404-2016 BTECH-EC-4-SEM-ELECTRONIC-CIRCUITS-NEC-402-2016 BTECH-EC-4-SEM-ELECTRONIC-MEASUREMENTS-AND-INSTRUMENTATION-NEC-403-2016 BTECH-EC-4-SEM-INTRODUCTION-TO-MICROPROCESSOR-NEC-409-2016