You describe the exact same move to two different companies. Same address, same house size, same rough inventory. One quotes 18,000 rupees. The other quotes 26,000. On paper, you asked for the same thing twice, so why is there such a large gap?
Here's the honest answer from Real Airways Packers and Movers Chandigarh: a moving quote is rarely based on your house size alone. It's shaped by a dozen smaller factors that most customers never mention upfront, and companies interpret and estimate those factors very differently.