The committee, spearheading the stir, said all the three parties -- BJP, Congress and JD(S)-- have to come together to find a solution to the issue.
If that is not possible, Chief Minister Siddaramaiah has to lead an all-party delegation, including farmers, to the Prime Minister Narendra Modi, it said.
They also warned that a protest would be staged in New Delhi if they did not get justice from the Prime Minister.
"If it does not happenthousands of us will sit (in protest) in front of the chiefminister's office," he told reporters after submitting a memorandum atthe chief minister's home office.
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He said if they did not get justice from the prime minister, then "all of you including the council of ministers should sit in protest in Delhi, in the interest of the state."
Principal Secretary to the chief minister received thepetition on behalf of Siddaramaiah, who is in Chitradurga aspart of his pre-scheduled tour across the state to inaugurategovernment schemes.
They have been protesting near the BJP state office here sinceSaturday demanding that party state chief B S Yeddyurapparesolve the issue as promised by him last month.
Yeddyurappa, who had promised to get a written agreement by December 15 for resolving the issue, yesterday tried to convince farmers, citing a letter written to him by Goa Chief Minister Manohar Parrikar but did not succeed.
The protesters also submitted a memorandum addressed to former prime minister H D Deve Gowda at the JD(S) office here.
The project is being undertaken to improve drinking water supply to the twin cities of Hubballi-Dharwad and districts of Belagavi and Gadag.