New Delhi, March 25 (ANI): Expelled JD (U) Leader Shivanand Tiwari on Tuesday praised the Aam Aadmi Party and is all set to campaign for Arvind Kejriwal and AAP candidates Yogendra Yadav, Anand Kumar and Rajmohan Gandhi. He said that tha party is trying to bring positive changes and this has attracted people’s attention. He also praised Kejriwal’s commitment and will power.