Cost depends on the type of metal braces(for example- conventional, self ligating,Damon system,etc),the city, and experience of the orthodontist.
It can vary from a range of 30,000/- to 70,000/- or more.
Treatment duration depends on the severity of crooked teeth. Anywhere between 1 to 2 yrs
Next Steps
Consult an Orthodontist (braces specialist)