Marital+family laws are complex maze in India and with Indians as the laws are un_uniform, diverse and divorce-ive based on people’s community, customs & religions castes, country & regions.
#Marital-Ignorance Vs #Marital_Informedness.
In the absence of a Rational & Reformative UCC Uniform Civil Code, the outdated uninformed undemocratic less-amendable “religio-family & Personal-laws” are basing(biasing) their marital-logic on unscientific ancient marital-methods. (eg. Astrology, Theology..etc). (Need for Rational-Maritology)
Case being so that Indian-Marital systems are based less on Science/Morality and more biased by Community, Color, Race, Caste, class & Religion/Region. even only matrimonial are biased by the endogamic caste system.
Thus more than the Right and safe match to be had more so the less-optimal and wrong-risky matches are made those that lead to divorce of spouses and degradation of families. More than We collaborating with In-laws many are prone to Marital-Frauds, Ethical-Turncoats who are more Out-laws (Narc-Criminals) than In-laws (Empath-Ethicals).

it’s clearly visible how the same court at the same time can give conflicting orders and judgements.
What’s the Custom or Rational ritual of Marrying like today? (India-Marriers Method). same court 2 different views:
No Its Wrong: https://lawchakra.in/muslim-hindu-live-in-relationship-customary-law/
& Yes, But ur allowed right to do mistake: https://lawchakra.in/article-21-hc-affirms-right-adults-marrylive-partner-of-their-choice/
The Courts & laws are limited to the slow texts. while the contexts are changing rapidly.. Thus there is a widening gap ad laws can only comment on validity and invalidity of a marriage but not the viability & liability & criminality of people partnering in marriages.
Coming to the 2 Important Title Questions:
1. Who to decide who is a narc-empath person or family?.
It is not only the judge or court to decide but any rational moral empowered-person (note not pre-priveleged) who has all the Facts, Tacts and Pacts to be a good judge of character and conduct gets to decide.. even you.
2. How to decide who is a narc-empath person or family?.
These are tools and tests that informs and empowers Scientific Maritologists, Psychologists or Legalists to decide who are In-laws (Empaths-Neutrals) Pandava-RaManavas and who are out-laws (Narc-Criminals) KauravAsuras.


source of scientific method: 1. https://www.idrlabs.com/narcissism-spectrum/test.php