Osmania University offers various engineering courses and you can get admitted into them by clearing their cutoffs. You have to be a 12th passed student from a recognised board with subjects Physics, Chemistry and Maths as main. You have to appear for the TS-EAMCET exam and wait for the result and cutoffs. Your question is not very clear, the fees of the courses are around Rs 47K per annum. You can not directly get in by paying fees, you have to meet their eligibility criteria.