Qurbaani & Halaal Slaughter

Q: Can we do Qurbani (sacrifice) for a person who passed away? 

Q: Will an aqeeqah performed by a child's grandfather without prior knowledge of the father but only being informed later, be valid ?

Q: I want to do aqeeqa of my two sisters, two daughters, one son and wife .Can I do all aqeeqa in one big animal such as a cow, bull and what will be the share for males and female. 

Q:  

1. When should we give the aqeeqa after a child is born?

2. Can we give it after a long period for some reason.

3. For whom should we give the aqeeqa?

4. Who can give aqeeqa for a child?

5. Is it a must to give aqeeqa for every child?

6. My main question is that can we give aqeeqa meat by cooking it and arranging a lunch or dinner party?

7. Can we give a aqeeqa lunch portion to a non-Muslim?

Q: Can I arrange the aaqiqah of my son with my brother's wedding (marriage)? I want to know about the hadith and law related to aqeeqah ?

Q: How long should a chicken be kept closed before slaughter? I have heard that if the chicken eats filth, it should be tied for some while before slaughtering it. Is this correct?

Q: Are the following animals Halaal to consume in the Hanafi Madhab:

1. Gerbil 2. Guinea Pig 3. Squiril 3. Peacock 4. Stork 5. Hadeda 6. Owl 7. Buffalo 8. Zebra

Q: If an animal was hunted according to the correct sharee method but not in conformity to the laws of the country, will the animal be halaal?

Q: Can the meat from aqeeqah be eaten by the parents and grandparents of the child?