Check this lab:

http://www.actlabs.com/

more specifically:

http://www.actlabs.com/page.aspx?page=544&app=226&cat1=549&tp=12&lk=no&menu=64&print=yes

For detailed chemical analysis of water samples, the following lab can be contacted :

Director, National Geophysical Research Institute,Uppal, Hyderabad, India.

In line with the first contributor. National Geophysical Research Institute Hyderabad, India is the ideal place.

Thanks Lizzy.

thanks a lot for your answer it is helpfull

You try this also SASTRA University