Consider both husband and wife is Hindu.
Have any new law been recently passed or proposed to be passed in India that gives wife share of husband's property (Self-acquired or ancestral) after divorce?
There is no such law in India, you hav been misinformed about it.
How much share can she claim of husband's property Both Self acquired or ancestral?
She cannot claim any share in husband's self acquired or ancestral property as a right not at least during his lifetime.
If a property is on Joint name (husband and wife) will the wife get 75% and husband 25% after divorce according to present Indian law 2018?
In jointly owned property she can claim 50% share.
Can she claim share of property in the name of husband’s parents?
No
Can she claim share of property in the name of husband’s parents in case husband has transferred his property on his parents name after marriage while divorce case is running?
No.
If husband is earning 65000 Rs per month and wife has a job with lesser salary. What is the minimum salary her Job must have so the She Can’t get no maintenance or little amount of maintenance?
If she is earning salary income then she will not be eligible for maintenance
What percentage must be the salary of wife to the husband’s salary so that she can claim no maintenance or little amount of maintenance?
She will not be eligible for maintenance