Hello.
To calculate the amount of tax on such capital gain arising on sale of such property, we would need the date of acquisition and sale of the property, cost of acquisition of the property, cost of improvement, if any, and the full value of consideration for the property.
If you are the sole owner of the property, then even if you receive the amount in name of three different family members, the tax liability on such capital gain would arise in your hands only.
I hope that this answer satisfies your requirements.
Regards,
CA Hunny Badlani