India`s sixth-ranked mobile operator, added 3.87 million subscribers in October, maintaining its lead for a third straight month, data from an industry body showed.
Tata Tele, 26% owned by Japan`s NTT DoCoMo, was the first operator to launch a per-second billing plan, deviating from the industry norm of per-minute billing, which saw a strong response and forced bigger rivals to match it.