BJP has again demanded a response from the Prime Minister on the 2 G spectrum issue. Party spokesman Prakash Javadekar also took exception to a Law Ministry official reportedly facilitating a meeting between Telecom Minister A Raja's lawyer, the Socilitor General and a CBI official on the case.Meanwhile, the CPI(M) today asked Prime Minister Manmohan Singh to sack Communication and IT Minister A Raja in the wake of the alleged 2G spectrum allocation issue. A party statement in New Delhi said Raja's continuation as a Minister has become untenable.