1. you can Will your property to anyone you like
2. if the beneficiary under your Will dies before the your death then the Will in his/her favour will not take effect
3. however if the beneficiary dies after your death then his/her bequest will go to his/her legal heirs
4. you can also mention in your Will itself as to whom your property should go in case the beneficiary dies before you
5. any person can be executor of the Will. However if that person is also getting any benefit under your Will then such person cannot be executor
6. any 2 persons can become witnesses to your Will. Preferably make young person as witnesess. If an old person is a witness and he dies then he would be unavailable to give his testimony in court that he had attested your Will. This can create problems if your Will is challenged for any reasons
7. there is no particular format for drafting a Will. You just need to write your wishes on plain piece of paper in simple English or any other language you are comfortable with
8. you can appoint either 1 or more than 1 executors under your Will