India 's mobile subscriber base has grown to about 20 million , Singh says . In 2004 , there were 33 million , he says . At that time , Indians had to wait for years to get landline service .
India 's mobile subscriber base has swollen to about 750 million , Singh says . In 2004 , there were 33 million , he says . At one time , Indians had to wait for years to get landline connections .