Import exemption for chargers and batteries for handset manufacture subject to concessional-rate customs procedure and Nil duty. Inserts a new exemption entry for charger or adapter, battery, wired headsets for use in manufacture of mobile handsets including cellular phones, subject to compliance with the Customs (Import of Goods at Concessional Rate of Duty for Manufacture of Excisable Goods) Rules, 2016, and specifies Nil duty; deletes certain references to mobile phones and mobile handsets from other exemption entries to narrow their scope.