vratti

the vratti वृत्ति can be defined roughly as habit . the idea to cater to the wishes and whims of the tempered mind and body.
we teach child to urinate in a particular way. he/she learns that and use it for the rest of the life. this is a rough example of the vratti.
even before the birth we gather these typicalities and commanalities and keep gathering them for the rest of the life. if they are not directed then they keep on piling on us. all of them affect our body, mind and soul. we take decisions based on these. vratti can be a ritual also. we take bath we put off and put  on clothes as a ritual.
the piling up of these vratti are vratti sanchay.
yoga gives a practical guide how to control them and utilize them.
to assimilate yourself with the universe as a totality it is required that you do not get carried away by vratti. 

pranayam

means the dimensions of the soul. this can be observed by the proper control of the breath. 

there are various breathing pattern and practices to do this. these patterns and practices are commonly called  pranayam. 

if you do not believe soul you must be believing your mind. the pranayam helps to understand and discipline  both. 

at first , you should start observing your breath. just feel it. for a few days. 

the first thing you will come to know is that we hardly ever breath by both nostrils. 

secondly nostrils change after a certain period. 

the left side of the nostril breath is called the chandra swara and the right side of the nostril is surya swara. 

this can be used to control the temperature and moods and small ailments of the body. which i will try to give extensively some other day on this blog.

the second thing you will observe that thinking changes the speed, quantum and velocity of your breath. 

when you are thinking about your gym exercises your speed , quantum and velocity of the breath is greater than that of when you are thinking of going to sleep, even if you are sitting in the same position. 

pranayam uses these factors to reversely control your thoughts. 

the third thing you will observe that if you drastically or suddenly change your body posture , your nostril will change automatically. 

the forth thing you have to obeserve that you normally breath by the throat , by the heart , by the belly , by the bottom and if this changes then when does this change happen. 

now the most important , 

do you observe any cycles in these above factors. 

this is the most important observation you need to do for a few days before you choose the pranayam for yourself.

how to start yogasana

• the yogasana  is travel your body completely from inside. so the first preparation is to start observing your body. give yourself soft massage by yourself. observe yourself . you will find that you have neglected many parts for so long. this massage will fetch your attention back to yourself. 
• next is to observe cycles. (frequencies). when your body is not paid proper attention , most of your cycles are disturbed. most common is the fooding. 
• watch the sunrise and sunset if possible for at least seven days. 
• watch your postures while sitting in various positions and seating arrangements, while walking, when working, while sleeping. 
• before you start yogasana you should make a habit to observe your body and breath while going to sleep for at least 15 minutes. 
• observe which part of the body is most neglected, this will give you an idea what asana you need to choose. 
• select the time of the morning before you take breakfast. the yogasana require empty stomach . 
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yoga

yoga is not only the exercise its a lifestyle. there are different parts to completely observe yoga .

• yam
• niyam
• asana
• pranayam
• dhyan 
• dharna
• pratyahar
• samadhi

these are the ashtang [eight chapters] of the patanjali yoga

yam is to observe the nature . the law of the nature. the stipulations of the universe.

niyam is to observe the stipulations of the frequencies of all activities.

asana is to observe the body to attain stability

pranayam is to observe the breathe which is another important ingredient of life.

dhyan is to observe the self beyond the body only.

dharna is to observe the stipulations in discrete. its the commitment towards the existance.

pratyahar is to observe the control over the total self

samadhi is to observe the even state , which is the only state that is without change is thus is everlasting.