The Ayushman Bharat Digital Mission (ABDM) launched in 2021 aims to:

Correct option is B

ABDM aims to build an integrated digital health infrastructure, including unique Health IDs, digital health records, and telemedicine platforms.
Explanation of options: (a) ✘ Health insurance is under PM-JAY, not ABDM. (b) ✔ Correct; ABDM is focused on digital integration of health services. (c) ✘ New AIIMS are under PMSSY, not ABDM. (d) ✘ Medical training is not the primary objective of ABDM.