Spring / Summer Breathing
1. Equal breathing:
Inhale – 4 counts
Exhale- 4 counts
Do 5 rounds.
This technique is beneficial for all age groups Also safe for people with any health issues.
2. Box breathing :
Inhale- 4 counts ; Hold – 4 counts
Exhale -4 counts ; Retain – 4 counts
Do for 5 rounds.
This is recommended for adult age group.
Those with high BP , pregnancy ,heart conditions AVOID .. due to breath retention in this practise.
3. Anulom- Vilom: ( alternate nostril breathing
Close right nostril with right hand
Keep left hand on the thighs.
Inhale from Left (4 counts ) , close left , Exhale from Right (4 counts), Inhale from Right (4 counts ) and Exhale from Left (4 counts).
This is one complete round.
Do 5 rounds in total .
This practise is generally safe as no retention of breathe
choose your counts start with 4 and gradually as u progress in practise u can increase the counts.
This is recommended for adults.
4. Brahmari : humming bee 
Close the ears gently with nasikgra rudra or 1st finger.
With one inhalation start with humming sound (hmmmmmmm) as long as u can.
Increase the intensity of sound with every round.
Do minimum 5- 10 rounds for best results.
This is best pranayam for all age groups .
Safe for kids also .
once u finish stay there for while to allow body to absorb the vibrations
NOTE :
For all pranayama mentioned above keep the following poi
1. The stomach must be empty so morning practices are good .
2. Keep 3-4 hours gap if you had food .
3. Sit in upright position.
4. Do not sit under fan or a/c for breathing practices.
5. Wear comfortable clothing.
6. After every pranayama pause for a while for pranayama to work wihin.
Above are 4 highly recommended pranayama at all.times . Once you grow in your practises then can learn other pranayama under guidance of authorised yoga teacher .