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Here is no percentage limit defined. Graduation degree in a relevant discipline from a recognized university is preferable.
Public sector banks recruit candidates at 2 levels- the officer level and the clerical level. After XII (Commerce or any subject) Graduation followed by banking examination for Probationary officers can be taken.
Engineers, agricultural scientists, home economists, chemists, lawyers, language specialists can enter banking through the special category intake.
Foreign and Private banks recruit bright candidates from the parent organization on the basis of merit or campus selections are made at reputed management institutes. MBA/ Masters in Finance Control/ CA/ Certified Analysts course/ Business Economics/ Public Relations /Law are preferred qualifications for Multinational and Private Banks.
You can start working on the essential skills-
Team leadership qualities
Integrity, confidentiality and honesty in all dealings with money, customers & staff
Foreign exchange transactions need an analytical, quick and mature mind
Good communications skills in speech & writing
Numerical aptitude
Well-organised mind and well-rounded personality
Also refer-
https://www.shiksha.com/getArticleDetail/942/Career-In-Banking
https://www.shiksha.com/getArticleDetail/176/Banking-Courses-And-Institutions

Idea for creating Faculty of Law, SRM University Haryana is to offer a working legal education model that caters to the rising demands of society, system and the civilization. Here they offer legal education which is based on best practices of admissions, academic management, planning, Law school administration, curriculum designing, pedagogy and examination system. The complete academic rigour is to maintain quality and standards based on the dynamics of clinical practices and case-law method, an extensive research platform, innovation about legal knowledge creation and convergence as well as an internal academic audit system. Bachelor of Law B.A. LL.B. (Hons. )
Duration: 5 years
Eligibility: Candidates must have passed 12th Standard or an equivalent examination, recognised by State or Central Education Board and must have obtained 50% marks in aggregate. Fee : 1,25,000/- p. a.