How can sasuke have indra's chakra if....

[Meowazziel]

The transmigrations dont have to be inside you at your birth.
They can find you as a host later in life.

 

[Behemoth55]

Madara died the day Obito saw kakashi kill Rin.
I don't know the exact chapter but he removes the root of the ten tails statue from himself.

Chapter 606.

 

[maniaoqan]

Indra's a playboy. He just doesn't stick with same ***** for a long time.

 

[Jarex]

Madara was long dead before naruto was born. He died when he handed over his plans to obito