With 460 marks in NEET and SC category it is very difficult to get a seat in PGI Rohtak through state quota The cutoff for SC in PGI Rohtak usually stays above 540 so your score is quite below that You can still attend counselling but chances for this college
With 350 marks in NEET and OBC category from Himachal Pradesh it is very difficult to get a seat in a government veterinary college like in Palampur The cutoff is usually much higher You can still attend counselling but chances are very low You can try for private veterinary colleges