Telecom Minister A Raja has ruled out his resignation in the wake of allegations of irregularities in spectrum allotments. Alleging that the BJP-led National Democratic Alliance regime had distributed for free, 250 Mega Hertz of spectrum among the telecom operators, he told reporters that the scam during the NDA regime could be worth much more than 1.6 lakh crore rupees. He debunked charges of 60,000 crore rupees spectrum scam levelled by BJP against him and said that the government has followed all rules to the letter and spirit by following the recommendations of Telecom Regulatory Authority of India. Earlier, the minister said that government is committed to make the telephone tariff more affordable to the rural subscribers.<br/>AIR correspondent reports that Finance Minister Pranab Mukherjee also came to Raja's defence, saying allegations of corruption was not proof of corruption while speaking at the HT Leadership Summit on Friday in the national capital.<br/>The opposition parties have been calling for Raja's resignation ever since CBI searched offices of the Telecom Ministry and some private mobile operators last week over allegations that spectrum was allocated to new operators at dirt-cheap prices, causing a loss of over 20,000 crore rupees to the exchequer. <br/>