Hello sir/madam, i have ported my number from vodafone to airtel on dec 24th 2011 and my airtel sim was activated on 31st but not able to call or receive incoming calls …phoned to customer care many times….they asked to re-submit document proofs. Even after submission and even till today 7 january 2012 no response …how can such network be at no 1??irresponsible network. BAD BAD BAD