No, it was not Sachin Tendulkar but rather his poster that made its way to the Ganges.

With the solar eclipse and the Magh Mela/Kumbh Mela on the occasion of Makar Sankranti, people flocked to the river Ganges in Allahabad for a sacred dip to wash away their sins.
Huddled in front of the poster bearing Sachin Tendulkar is one of the devotees also marking his presence.
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