BJP today sought a clarification from the UPA government at the Centre on alleged tapping of over one lakh telephones across the country, describing it as a cause of grave concern. Party leader Arun Jaitley said in Kolkata that this amounted to misuse of power. He said, the government has to confirm that tapping is being done on consideration of security and also state how many phones are being tapped. He was talking to reporters on the sidelines of the meeting of National office-bearers of the party. Jaitley said, the country's law states that tapping can be done in extreme cases like security considerations or in case of a serious crime. Claiming that the alleged number of tapped phones was higher than even in police states, the BJP Leader sought an authoritative clarification from the central government on the issue.Party's central observer Chandan Mitra said that the meeting will take stock of the situation in the five states going to the polls, the party's preparedness and prospects of alliance with other parties. BJP leader L K Advani, party president Nitin Gadkari, Karnataka chief minister B S Yeddyurappa, Chattishgarh chief minister Raman Singh and Jaitley are in Kolkata for attending the meet.