Aircel
Pocket internet

I m using aircel pocket internet service 4 last 5 days but in 5 days i m totally irritated vid network service..whenever i connect vid aircel pocket internet its aumatically disconnected vid in 5 mins nd shows its connected in task bar..neither i dnt able 2 connect again nor disconnect..to disconnect restart system nd connect again..its so irritated..nd about costumer care service dats vy vy dumb..anyone suggest me about cheap nd best prepaid internet connection which can be connect thru datacable... plz help me..thanx