F‑1 U.S. visa denied to a student after he helped an elderly; details inside

In Hyderabad, a student helped an elderly woman during her visa interview. This act led to unexpected technical questions during his own F-1 visa interview. The visa officer inquired about his data science background and funding. Despite answering, his visa was denied under Section 214(b). He shared his experience on Reddit. Other applicants have reported similar technical queries. The U.S.