Gandhi, who arrived here for the first time after becoming the AICC president, held separate meetings with candidates of Mandi and Shimla Parliamentary constituencies, and Kangra and Hamirpur Lok Sabha seats, they said.
He got feedback from the candidates and asked the party leaders to "tightened their belts" for 2019 Lok Sabha polls, party officials said.
"Indiscipline and anti-party activities by any leader, howsoever tall he may be will not be tolerated," Gandhi told party leaders, and added that dedicated, honest and loyal workers would be given due respect.