‘Congregations like Mini Kumbh Mela give FMCG brands highest ROI with OOH’ Rajesh Radhakrishnan, CMO & Founder-Director, Vritti Solutions, shares insights on the OOH brand activations for Allahabad’s Magh Mela 2020 and the impact brands will garner from the congregation Noel Dsouza Feb 5, 2020 8:41 AM