Explained about Cheshta Bala is the strength of planetary motions.This kind of strength applies only to the planets, not to the luminaries. its a Sub topic in Shadbala
Shadbala in Vedic Astrology https://www.youtube.com/watch?v=xb5bG4eD5po&list=PLvmzzcGHiU3TfI5LO2G1JTHPmT3sZqJZe
Sthana Bala in Astrology https://www.youtube.com/watch?v=l6mnWWOGbu0&list=PLvmzzcGHiU3TfI5LO2G1JTHPmT3sZqJZe
Directional Strength of Planets – Dig Bala https://www.youtube.com/watch?v=roYMQBqQIm4&list=PLvmzzcGHiU3TfI5LO2G1JTHPmT3sZqJZe
Kala Bala of Planets https://www.youtube.com/watch?v=U9r-GRDvUVs&list=PLvmzzcGHiU3TfI5LO2G1JTHPmT3sZqJZe