hello sir..
In case of tooth alignment procedure if you don't have enough space it is mandatory to extract your teeth to get better results, it does not affect your facial structure
if you space in your dentition then no need for extraction
you need to undergo fixed orthodontic treatment usually it takes 6 to 12 months
Braces materials are of different types in different cost
*Metal braces Rs35000/-
*ceramic braces 45000/-
*lingual braces 1,20,000/-
The choice of braces depends upon your affordability
Next Steps
kindly visit your nearby dentist for futhur management