When Mowgli is escaping from the city after being whipped, the whip marks disappear from his back.
Mowgli's sarong differs in length throughout the movie.
When Mowgli goes to buy the knife and is accosted by Buldeo, the position and angle of the Buldeo's rifle changes between shots. When the camera is on Mowgli, the rifle is higher than Mowgli and points to his chest; when seen from behind Mowgli, the rifle is held lower and points more to Mowgli's belly.
Kaa states that cats do not like water; therefore, Shere won't follow Mowgli through water. However, tigers do like water, so it should not be surprising that Shere follows Mowgli when he jumps into the water.
Despite a comment by a villager about "running naked" through the jungle, Mowgli can be seen wearing a pair of briefs when he first enters the village and is pursued by the villagers.
When the thieves enter the chamber, a bunch of gold coins fall on the head on one of them yet he doesn't react in pain.
When the thieves are entering the treasure chamber, the first thief sits beside a large granite rock and begins running his hands through the gold coins. As he does so, his knee bumps the rock and it moves, showing that it is clearly just a lightweight prop.
Two scenes with the black panther were obviously shot with the panther behind a glass screen, likely as a safeguard to protect the actors. In both scenes, showing close-ups of the panther, debris is seen adhering to the glass.
All of the backgrounds are obviously painted.
Spotted hyenas and black bears are not found in India.
When Mowgli and Mahala find the King's Palace, there is a South American monkey in a tree.
The actors pronounce "Mem-sahib" (lady) the way it is spelled - "mem-sa-hibe", whereas anyone who has been to India knows that it is pronounced "mem-sahb."