Reliance Jio has stated that it will start developing its own 5G solution, which it will roll out by end of 2021 provided they are allotted the required spectrum band by DoT’s SACFA. Jio will most likely follow the ORAN (Open Radio Access Network), as done by some other developers like Rakuten in Japan. The general idea is the software developers will combine their software with general-purpose hardware (from Intel, Nvidia, etc.), along with radios from similar vendors.
Reliance Jio in conjunction with other local IT players, has managed to build its own 5G software stack and is likely embracing Open RAN techniques or possibly even Cloud-RAN as an architecture. This would allow them to avoid paying to network gear vendors (i.e. Ericsson, Nokia or Samsung in lids case for 4G) and potentially allow them to export their expertise to