The Main Category of niche Videos in this channel Doctor Karthikeyan are

1. Medical Videos and Medical Tips to General Population in Tamil (மருத்துவம்)
2. Educational Videos in Tamil (படிப்பு)
3. Awareness Videos regarding recent trends in Medicine in Tamil (விழிப்புணர்வு)
4. Tips to Parents in Tamil

Thank you
Dr Karthikeyan Kulothungan
MBBS MD MBA PGDFM(CMC Vellore)

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