As you want to get the details of career and courses which can be pursued after B.E in Instrumentation Engineering so here is the information of the same for you:

Courses are:
Master of Engineering in Applied Instrumentation
Master of Engineering in Instrumentation Engineering
Master of Engineering in Process Control and Instrumentation
Master of Philosophy in Instrumentation Engineering
Master of Philosophy in Instrumentation technology
Master of Philosophy in Mechanical Engineering
Master of Science in Electronics and Instrumentation
Master of Science in Instrumentation Technology
Master of Science in Bioelectronics and Instrumentation
Master of Technology in Applied Electronics and Instrumentation Engineering
Master of Technology in Bio-Medical Signal Processing & Instrumentation
Master of Technology in Control Systems and Instrumentation
Master of Technology in Instrumentation and Control Engineering
Master of Technology in Instrumentation
Master of Technology in Process Control & Instrumentation
Master of Technology in Process Instrumentation
Master of Business Administration
Master of Computer Application
Doctoral courses after Industrial Engineering

Some job Types

Lecturer
Instrumentation Technologist
Technicians
Mechanics
Instrument Designers
Technical Sales Representatives
Field Engineering Technologist
Maintenance Personal
Testing Professionals
Commissioning Technologist

Some Employment areas

Thermal power Stations
Steel Plant
Refineries
Cement Plants
Fertilizer Plants
Sales
Marketing
Finance
General Management
Information Technology
Telecom
Textiles
Electronics
Mechanical
Consultancy
Research