"Jaya was pregnant during Sholay, so I always tell Shweta that she was a part of the film." 

Yes, the already married couple, Aamitabh-Jaya, were expecting their first child during the shooting of the movie. 
And when it was premiered, the couple was expecting the birth of Abhishek.

"After hearing the script, I wanted to play Gabbar Singh" 

So iconic is the character of Gabbar Singh that actors still carve to play it. While Danny was the first choice for the role, Amitabh was fascinated to play the character as well.

"Even today, Dharmendra and I are like Jai and Veeru" 

Amitabh recalls that the bond he developed with Dharmendra on the sets is retained till date.

"Amjad Khan and I bonded from day one" 

Yes, the original 'Dostana' couple of Bollywood had started their friendship on the sets of this movie.

"Dharmendra and I used to play Rummy on our way to the set" 

Since the movie was shot in a distant place, Amitabh recalls that he used to pass his time playing Rummy with Dharmendra.