Vodafone India — net speed

My vodafone number is [protected], now few days i can not acess whatsapp, facebook massenger with vodafone connection, but the same i can use with others network (airtel) it is not my mobile handset problem and this is not only my problem it is also our frnds problem. Altough i can acess internet via uc browser, i called the vodafone care but they are unable to solve my problem, now a days vodafone network become worst day by day so i complaint through consumer complaint. Pls solve that problem other wise i will port out from vodafone