well, to be honest its difficult but not impossible. In government organization its quiet impossible. But in private sector its very much possible.Because of heavy number of application and India nationals get priority. Only a portion is reserved for International students.According to the procedure you got to take part in admission test. You have to apply in Foreign category.Foreign/NRI Category: Foreign nationals with OCI/PIO cards or NRI or Indian nationals supported by either Parents or Brothers or Sisters or Spouse having an NRI status are eligible for admissions under Foreign/NRI category.Note : For NRI category the candidates need to submit the photocopy of the passport and photocopy of the sponsoring relative’s passport. If the spouse is sponsoring and his/her name is not reflected in the passport, marriage registration certificate should be submitted. No other certificate or affidavit in lieu of the above will be accepted. Also a photocopy of notary affidavit by the sponsoring relative from the country of residence in the format available in the website will have to be submitted.there are several institutions who reserve up to 15% of seats for international students.
SM Mainul Porag, former Debater at CUET Debating Society (2010-2014)
Source: Quora Digest