enior Congress leaders in Jharkhand are worried about the anti-Congress stand taken by their ally Jharkhand Vikas Morcha over its Rajya Sabha candidate Pradeep Balmuchu. After Balmuchu filed his nomination today, JVM president Babulal Marandi said his party would abstain from voting on May 3. Earlier, his party had asked the Congress to put up a common candidate from a list of 12 persons.