New Delhi, Oct. 28 -- India's active mobile subscriber additions improved in September, with early signs of stabilisation in Vodafone Idea's subscriber base and expectations of a recovery in Bharti Airtel's additions after recent tariff changes, according to a report by Jefferies.

The active mobile subscriber base, excluding machine-to-machine (M2M) connections, increased by 0.9 million to 1.068 billion in September, compared with additions of 0.8 million in August, the report said.

Jefferies said Bharti Airtel's active subscriber base declined by 0.2 million in September following select tariff increases introduced in mid-August. However, it expects additions to improve going forward, as the impact of the tariff changes is "largely beh...