Pakistan raised the issue at the 109th meeting of the Permanent Indus Commission being held here, an official said.
A five-member Pakistan delegation is here to attend the first meeting of Permanent body being held this year.
An senior official, who attended the meeting, said Pakistan's objections to the four hydel projects were on the agenda.
"Besides, we carried forward the discussions of the last meeting," the official told PTI.
Chenab is a major river of Jammu and Kashmir. It forms in Himachal Pradesh and flows through Jammu and Kashmir into the plains of Pakistan's Punjab.
The waters of the Chenab are allocated to Pakistan under the terms of the Indus Waters Treaty.
The Indus system of rivers comprises three Eastern Rivers (Ravi, Beas and Sutlej, and their tributaries) and three Western Rivers (Indus, Jhelum and Chenab, and their tributaries).
