Hello Sonia...
If you have lost all trust and love on your husband [whom you chose to love and marry], then you can file for divorce based on cruelty and dessertion and get lot of money and divorce from him.
Indian marital laws are one sided and support women and so you have lot of advantage.
Indian marital laws are blind and consider only men as faultering.
But if you have some love and trust still left in your heart for your husband, you can read below for few suggestions that is to save marriage and your kids happiness and future.
What are those "some other reasons" that you are living with your parents?
You wrote "He handover all the responsibilities of home home, kids & others on me."
Then you wrote "Since I am a working lady, my parents looked after my kids for last 5 years".
So, you neither have done your parental duty to your kids.
So, you have behaved the same way as much as your husband.
You loved your husband and married him and hence you are responsible to carry him forward throughout your life as much as he is responsible to you.
You both cannot simply put aside your responsibilities after a love marriage.
Do you have list of reasons of why your husband husband is very uncaring & unresponsible after marriage. ?
Are you still caring for him? If so, why you want to separate from him.
In your all query, you are more interested to know how to separate and get money from your husband even by selling his property.
But you does not seem to have taken any effort to live with your husband.
All seems to be because you are earning.
Please think, You are earning and hance may be able to easily throw your husband away.
But your kids at this age need their father.
You have ABSOLUTELY NO RIGHT to interfere in your kid's right to access their father.
So, you should consider living with your husband or give as much free access to your kids as required to your husband.
Else you are not doing any good to your kids.
At this age, after your marriage, you need your parents and they are helping you.
But, at this age of 4 and 5 years, you are not giving your kids access to their father.
Please be kind and responsible to your kids.
Your kids can trust only their father and you, the mother.
So, please try to talk and live with your husband that you chose to love and marry.
Else, you live separately and give your kids free access to theiir father. It is their right.
Do not bring legality between you, your husband and kids.
Bind all of yourselves with unconditional love, care and trust.