GATE Instrumentation Engineering (IN) Question Paper from 01-Feb-2020 (Shift 1) focused on key areas such as measurement systems, control systems, analog and digital electronics, and process control. The paper consisted of multiple-choice questions (MCQs) and numerical answer type (NAT) questions, assessing both theoretical knowledge and practical problem-solving abilities. The exam was divided into two sections: General Aptitude and Core Instrumentation Engineering, with a total of 65 questions.