jivan aur karm kshetra ke sahyogi ka chayan bhartiya jyotish shastra men jis prakar grahon men apas men mitrata, shatruta tatha samta hoti hai, usi prakar ankshastra men bhi ankon men mitrata, shatruta, samta hoti hai, ise hi ankshastri seferiyal ne ankon men apas men tarangit chamatkari, akarshan, pratikarshan tatha tatasth sanbandhon se ingit kiya hai. jivan sathi evan vyaparik sajhidar ke chunav men in tarangit, chamatkari, akarshan, pratikarshan tatha tatasth ankon se ganna kar chunav karte hain. tarangit chamatkar, akarshan, pratikarshan tatha tatasth ankon ki sarni nimnavat hai- uprokt sarni ki vivechna - jo ank dusre ka tarangit chamatkari ank hota hai
uske sath vivah, sajhedari karna saflta ka suchak hota hai. akarshan ank ek-dusre ko sahyog karne vale tatha anukul hote hain. ek-dusre ke pratikarshan ank virodhi svabhav ke hote hain tath inmen dikhavtipan, kutniti tatha dhokha dene ki pravritti rahti hai. tatasth ank ek-dusre ka n achcha karte hain, n hi bura. jivan sathi ke chunav men yah vidhi gun-melapak ke rup men karya karti hai.
iski upyogita ka mahatva us sthan par sarvopri hai jahan kundli upalabdh n ho. is vidhi se jivan sathi evan vyaparik sajhedar ke rup men vyakti ke chunav men satikta a jati hai. jivan sathi athva vyaparik sajhidar ke chunav hetu sarvapratham jatak ka mulank, bhagyank v namank gyat kiya jata hai, uske bad jisse sanbandh kiya jana hai,
uska mulank, bhagyank v namank nikalakar di gai sarni ke adhar par anusar milan karke chunav karna chahie. jisse svarup spasht tatha lagabhag sunishchit hota hai tatha sanbandh ki dirghakalikta athva alpakalikta ka nirdharan bhi kiya jata hai.