In Andhra Pradesh, the key contestants include union minister S. Jaipal Reddy, Sarve Satyanarayana and Balram Naik, TRS chief K. Chandrasekhara Rao, his daughter K. Kavitha, Lok Satta party chief Jayaprakash Narayan and MIM president Asaduddin Owaisi.
As Telangana will formally become a separate state June 2, the Election Commission is holding the polls in undivided Andhra Pradesh, which is now under President's rule.
The seven Lok Sabha constituencies of Bihar going to polls Wednesday are known to be backward pockets with high rates of poverty and illiteracy.
Prominent leaders in the fray are Sharad Yadav, Hukum Deo Narain Yadav, Ali Ashraf Fatmi, former cricketer Kirti Azad, Pappu Yadav, and NRI doctor Prabhat Ranjan Das.
In Jammu and Kashmir, retaining Srinagar appears to be a tough call for union minister Farooq Abdullah, the 78-year old National Conference patron and three-time state chief minister.
The constituency has been represented in the past by Abdullah's mother, Begum Akbar Jahan. His son and state chief minister, Omar Abdullah has represented Srinagar in the Lok Sabha thrice.
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