Better option for you is to file for divorce by mutual consent in India
2) your personal presence is not necessary
3) you can execute POA in favour of family member
4) POA should be attested before Indian consulate
5) your virtual presence through Skype is sufficient
6) you would get divorce in 6 months
7) in alternative you can file for divorce in USA
8) if your husband participates in divorce proceedings divorce decree would be valid in India
9) you can have divorce decree validated by family court in India under section 7 of family courts act