Acknowledgements
The work reported here is carried out under the aegis of a National
Programme on Isotope Fingerprinting of Waters of India (IWIN) which was
initially funded jointly by the Department of Science and Technology
(DST), Government of India, vide Grant No. IR/S4/ESF-05/2004, and the
Physical Research Laboratory (PRL), a Unit under the Department of
Space, Government of India. The IWIN National Programme is currently
sustained exclusively by the PRL.