For good Desi consultancy(s):
http://www.goolti.com/browse.php?alphabet=all
May be helpful if you have no option
Take time to research from A to Z,
you will find useful clues (link is given above)

Check before you contact the Desi consultancy:
e-mail and phone number
physical location
owner's name
clients list
customer's review
(good if it near by you and you can visit and talk)

That's all what I can share with my search
Good luck !!