1. The Four friends lived under a banyan tree in a large forest
2. Once they quarlled over something. Their quarrel continued for a long time.
3. I will meet you at the bus stop.
4. There are lizards on the walls of the kitchen.
5. The floor is dry. You can go into the kitchen now
6. Rohit got off his bike and parked it near the door

Please let me know if any mistake in prepsotions used.

Thanks

Wow, someone doing work first then using us to check it! How rare!

Yes, those all seem correct to me, well done :)