HomeBusinessBSNLs BIG partnership with Tata, to offer this services across…, challenge for Mukesh Ambanis Jio, Sunil Mittals Airtel? BSNL’s BIG partnership with Tata, to offer this services across…, challenge for Mukesh Ambani’s Jio, Sunil Mittal’s Airtel? PM Modi recently inaugurated BSNL's 'Swadeshi' 4G stack, now the company has launched E-Sim services across India. This aligns with our commitment to digital independence and robust infrastructure for the future.”BSNL had earlier introduced eSIM services in Tamil Nadu in August. Add India.com as a Preferred SourceMukesh Ambani’s Jio and Sunil Mittal’s Airtel already offer eSIM (embedded SIM) services in India.