Yes, one should follow below shown rules / restrictions to do meditation:-
- Have nice shower before meditation.
- Say "No" to non-vegetarian food possibly 24 hours before meditation.
- Sit on a non-conductive sacred platform.
- Facing direction is important and same confirmed by astrologer.
- Use relevant seating posture as per astrologer advice.
- Use relevant dress colour code as per astrologer advice.