The India-England Twenty20 series is living up to its billing as a battle between the top two sides in the shortest format of the game. India survived some nervy late overs to register a series-levelling eight-run victory over England in the fourth T20 International in Ahmedabad on Thursday. The series will now be decided in the last match on Saturday. Asked to bat first, India posted 185 for 8, their highest total in the series, thanks largely to a 31-ball …