Initial HR Interview with basic math exam then after passing you will be asked to take a technical exam which lasts for about 4 hours, board exam coverage. If you get at least 70% correct, you will then be asked to attend a panel interview with the management of the department you are applying for, lasts for an hour with questions ranging from situational to technical questions.

first part is HR exam. manual calculation (calculator not allowed) and grammar. next is interview with the HR. this is easy so you do not have to worry too much. last is a technical exam. if you are prepared, you may find this easy.