Garg had been COO of dX India for five years.
Aims to create all-new behaviours around good financial habits through digital content.
Shah will spearhead the agency operations and report to Isobar India Group CEO Heeru Dingra.
The mandate includes services for HealthKart brands - HK Vitals and bGreen.
Gahlaut is armed with 27 years of experience in advertising.
