hi,i did mba and mib and now i am i am working in company but i want the preparation of ias exam so can u tell me about the pattern and some preparation material,which can help in my study with my job

Exam for IAS Prelims is an objective type of exam where multiple choice questions are put. There are generally 4 alternative answers given and one has to choose the right or the most appropriate answer. There is negative marking but not 1 for 1. Less than 1 mark is deducted for 1 wrong answer. I am