Good morning,
1-yes you can go for it, whic is called as lingual or invisible braces
2- you should approach an orthodontist for this, some investigations need to be done,like x ray (opg), and model analysis.
3-cost wise ranges from each brands roughly 75k to 2.5 laks.
Next Steps
You can take a consultation with orthodontist, and discuss about the payments, on your request doctor will accept for monthly payments
Health Tips
Before starting lingual braces, you should know about dos and donts for this treatment completely