Reservation depends on the Exam and the institute you wish to enroll.
Common Admission Test or CAT exam is conducted by Indian Institute Of Managements (IIMs) for its various IIM Courses.Reservation in IIMs through CAT exam is as per Government of India requirement 15% and 7½% seats are reserved for SC and ST candidates, respectively. 3% seats are reserved for Persons with Disability (PWD).
Eligibility Criteria for CAT is candidate must hold a Bachelor’s Degree, with at least 50% marks or equivalent CGPA [45% in case of the candidates belonging to Scheduled Caste (SC), Scheduled Tribe (ST) and Differently Abled (DA) awarded from a recognized university.
For SNAP- they do have reservation of seats as per SIU Policies. The reservation of seats (within intake) is as follows: 15% and 7.5% of seats are reserved for SC & ST candidates respectively. 3% seats are reserved for "Physically Handicapped Candidates - for blind, hearing impaired (Deaf/dumb) and with orthopedic disorders or mentally retarded candidates" The minimum degree of disability should be 40% in order to be eligible under this category.
Reservation above intake: 15% seats are for International Students over and above the intake. Kashmiri Migrants: 2 seats reserved over and above the total intake – for sons and daughters of migrants from J&K valley.
First u have apply for admision and pay the exam in online, after u get good score, then only ur eligible to apply set in oxford university,if any clarifications take consultent guidence r sponcers