India's telecom subscriber base dipped marginally by 1.3 lakh to 121.07 crore in July. The Telecom Regulatory Authority of India (Trai) informed this in its monthly subscribers report today.Only three operators- Reliance Jio, Bharti Airtel and state-run BSNL- reported subscriber additions in the month, while eight other operators including Idea Cellular and Vodafone, saw a decline. The landline or fixed line customer base declined to 2.39 crore from 2.4 crore.