He said farmers would be covered under the party's farm debt waiver scheme, which forms party of Congress's Kisan Yatra in the state.
"Rest assured that you would not have to worry about any of your loans," he told farmers.
Amarinder said modalities to resolve the issue of loans taken from arhtiyas would also be worked out "in such a manner that neither the farmers nor the arhtiyas would have to suffer the debt burden".
Referring to farm debt waiver campaign in Punjab, Amarinder claimed it had evoked "a huge response" from farmers.
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Amarinder also challenged Kejriwal to an electoral fight in the upcoming assembly elections.
During the press conference, former Akali minister Ranjit Singh Balian and his family members, as well as number of AAP workers joined the Congress.
He made it clear that there had been no discussion with him on the possibility of making Sidhu the deputy chief minister if the Congress comes to power in the state.
On AAP's Bhagwant Mann's claim to the chief ministerial post, Amarinder wished him luck, saying if that happened the state would be reduced to having a comedian's government.