The short answer
Legal planning for a child with a disability is not a single document. Four instruments do four separate jobs, and confusing them is the most common and most expensive mistake families make.
Guardianship answers who may make decisions for your child once they are an adult. In India this is most commonly approached through the National Trust Act route for autism, cerebral palsy, intellectual disability and multiple disabilities, and through the framework of the Rights of Persons with Disabilities Act 2016, which also provides for limited guardianship and supported decision-making rather than assuming full substitution. Parental authority does not simply continue past eighteen, and this is the gap most families discover late.
A Will directs what happens to your property. It can name a testamentary guardian for a minor and can direct assets into a structure for your child's benefit, but it does not organise care and is not read in a crisis. A trust provides an ongoing mechanism: assets held and administered by trustees for your child's benefit, which is generally more protective than leaving money directly to someone who cannot manage it or to a relative on the understanding that they will use it properly. A power of attorney lets someone act for you while you still have capacity — useful when you are unwell, travelling or simply unable to attend to something yourself. It is not the answer to incapacity: India has no general enduring or durable power of attorney, and an ordinary agency is treated as ending once the principal is of unsound mind, which is the precise moment families expect it to start helping. That gap is why guardianship, rather than a power of attorney, is what covers decisions for an adult who cannot make them.
You will need a lawyer for all of this. What determines how well that goes is how prepared you are when you arrive.
What changes the answer
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Your child's age now
Before eighteen the pressure is on your Will and a testamentary guardian. At eighteen the guardianship question becomes live and should already be in progress.
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The nature of the disability
The National Trust route covers specific conditions; others fall under different provisions. Which applies determines the process and the timeline.
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Decision-making capacity, realistically assessed
The RPWD Act contemplates limited guardianship and support rather than full substitution where that is appropriate. Assuming the most restrictive option is not automatically the right choice.
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Whether there are assets to protect
The case for a trust strengthens sharply once there is property, investments or an insurance payout that will need administering for decades.
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Whether other children are inheriting
Dividing an estate equally can leave a disabled child underprovided for. Handling that explicitly prevents disputes later.
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Who would administer a trust
Trustees need to be willing, competent and succeeded. A trust with no viable trustee is a document, not a mechanism.
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What exists already, and whether it is current
An old Will drafted before a diagnosis frequently does the opposite of what the family now intends.
What parents often miss
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Believing parental authority continues past eighteen
It generally does not. Families most often find out during a hospital admission or a bank transaction, at the worst possible moment.
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Assuming a Will covers everything
A Will moves property after death. It does not give anyone authority while you are alive but incapacitated, and it does not describe care.
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Leaving money to a sibling "for" the child
An informal understanding has no legal force and does not survive that sibling's divorce, bankruptcy, death or change of mind. A structure exists precisely because good intentions are not enforceable.
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Dividing the estate equally without thinking
Equal is not always equitable when one child will need lifelong funded support and the others will not.
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Starting too late
Guardianship applications, trust formation and certificate renewals all take time, and none of them can be compressed in a crisis.
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Never revisiting it
Law changes, assets change, trustees die. A Will written a decade ago should be read again.
Arriving prepared
Parents of a seventeen-year-old with an intellectual disability book an appointment with a lawyer, aware that her eighteenth birthday changes something but not what.
Before the meeting they spend an evening writing down what actually exists: their current Will, drafted before the diagnosis and leaving everything equally to three children; their policies; her disability certificate and its renewal date; the two relatives they would consider as trustees; and the fact that neither has been asked.
The appointment is markedly more productive as a result. They leave with a guardianship application under way before the birthday, a revised Will directing her share into a trust rather than to her outright, and a note to ask both relatives before naming either — which the lawyer would not have known to raise, because nobody would have mentioned that the trustees were still hypothetical.
What to do next
The Legal Planning tool covers Will, trust, power of attorney and guardianship preparation, and produces a document you can take to a lawyer. It does not replace one — it makes the appointment shorter and the advice better, because the facts are already assembled.
Preparation for a lawyer, not a substitute for one. No account, nothing saved.
Related planning areas
Important
This page is general information about legal planning in India, not legal advice, and LegacyNest is not a law firm. Statutes, procedures and local practice change, and how any of this applies depends on facts specific to your family. A Will, trust, guardianship application or power of attorney should be drawn up or reviewed by a qualified lawyer before you rely on it.