Question Summary:
Is it allowed to take extra down payment from customers?

Question Detail:

In our company offer is going on for cell, but we take extra downpayment from outside peaple without their knowledge. The Money we receive from is it valid? because we take full resposibilites for providing cell to them.
Please sir answer my question its very urgent.

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
Your question is unclear. Please kindly clarify and provide further details.
And Allah Ta’āla Knows Best
Sohail ibn Arif,
Student Darul Iftaa
Chicago, USA
Checked and Approved by,
Mufti Ebrahim Desai.