Protocols for energy meters

India CPRI test lab for DLMS

http://www.cpri.in/testing/it/protocol_it.html

DLMS standards body

http://www.dlms.com/index2.php

Blog for DLMS India

http://dlmscosem.blogspot.com/

A Paper on DLMS by Kalkitech

http://knol.google.com/k/prasanth-gopalakrishnan/need-for-open-communications-standard/3bk0x32fl4sfh/11#

An Indian company developing products based on DLMS

http://www.kalkitech.com/