Astrology / Mool Trikon SignsAll planets move from one sign to next in circular movement while moving it enters into one of the 3 houses (moolatrikona houses, Exaltation / Uchcha / high strength and Debilitation / Neecha / weak or low strength house). Planets acquire or lose strength while moving from one house to the other. Planets get strength in own house and moolatrikona houses and Debilitation house it lose the strenght.
Mooltrikona sign is where planets are most comfortable and feels really happy at home, but when planet goes to Exaltation sign.
Example: When planet goes to Home to Office, it will be happy. That is Mooltrikona sign
Mool Trikon Signs Houses for each planet