regarding the will

you can write will in any papers in presence of two independent witness

Search in google with keywords "writing will", the procedure of registering will,  "Probating of the will"

You can get such templates and more information.  Download the articles on such process.  A will can be reduced in writing on a plain white paper or conquest paper.  A will need not be registered.  The will needs two signatures.   Must state all moveable and immovable assets as schedules.  Should state that will has to come in force after the death.  These are only fundamental things.

One will is not final u may draft as many as wills the genuine will will be enforceable.after the will u draft u may sell the property lease mortgage andhaving every right over it.after the testator demise if any thing is left it may be claimed .

The last genuine will.