Hello,
Yes you can do mch course after completing your Ms which is masters of surgery. Mch is masters of chirurgiae.
So for this mch the eligibility degree need that 5 years course of MBBS or 3 years course of Ms. So you can do mch in neurosurgery after completing your bachalor degree and master degree. There will be no problem occurs. In India so many colleges are present I'll provide you a link below you can check it for more details about the college
https://medicine.careers360.com/colleges/list-of-mch-in-neurology-colleges-in-india
All the best.
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