she saw a huge wall of clocks behind

Rabri Devi died and went to heaven (Don't Laugh). As she stood in front of yamraj , she saw a huge wall of clocks behind.

She asked, "What are all those clocks?"
Yamraj answered, "Those are LieCloks. Everyone on Earth has a LieClock. Every time you lie, the hands on your clock will move."

"Oh," said Rabri, "Who's clock is that?" That's Gautam Buddha's. The hands have never moved indicating that he never told a lie.

"And whose clock is that?" That's Abraham Lincoln's clock. The hands have only moved twice, telling us that Abraham only told 2 lies in his entire life."
Rabri asked, "Where's my Laloo's clock?"
"Laloo's clock is in my office", replied yamraj, "I'm using it as a ceiling fan