Below 12 years of age Yoga postures should not be practised for long duration and asanas are to be maintained for the very short duration.
Every day you should practice Yoga for at least 30 to 45 minutes to get maximum results.
The best suited time to practice is early morning hours, but it can be practised in the afternoon after following food restrictions.
Food restrictions - stomach should be empty while practising, that is you should consume solid food 3.5 hours before practising and liquid 1 hour before.
A place should be spacious, clean, airy, bright and away from disturbances.
Yoga should not be practised on the bare floor but keep mat or carpet below.
Clothes should be comfortable, loose, clean. Undergarments are necessary.
Yoga prefers a vegetarian diet. But avoid spicy and hot diet as much as possible.