Hello,
How one satellite reply transmit to Set of box in huge number distribution in ~1 crore, how this possible?

 

How do a lot of people see a flash light lit in the dark ?

 

eyes?
there is different 10,00,00,000 Viewing card number ?
sir...

 

No problem. The signal contains the data stream with which any card can be locked or unlocked.

 

ok, then how it look and design??

 

That my friend is complicated

 

when satellite is send by rocket how it find it orbit path from where it communicate??

 

I think Google can answer that.
You have to wait our NASA engineers come on line

 

How to make small rocket design to reach sky?

 

Easy.
Become a rocket scientist.

 

what fuel is there in rocket crackers??

 

Can use Google for a change.

 

It say sulphur where to buy it?

 

Are you designing a rocket ?

 

small one...

 

i found this in google people start from small.

 

Good Luck.
You will need it.

 

i found this?
http://www.skylighter.com/fireworks/how-to-make/whistle-rockets.asp