Full form of TDS is tax deduction source it is the tax which
 is deducted for the parties by company and it is a expense
for company.

Full form of TCS is tax collection source it is the tax
which have to be collected by company from other's and it is
a income for the company.

TDS always deducted on expenses by  companies  for exceed 
limits (not included supply of goods)on different rate of 
taxes.


AND
TCS always colleced from others, like  on parking lots by 
companies

TDS is the tax deducted at source tax will be deducted from 
the employees salary and employer will pay on behalf of 
employee hence it is an expense

Tcs is the tax collected at source the meaning of this 
is tax is collected from the party &paid  it may be possible
in services

TDS means tax deducted at source in which tax is deucted on 
that amount that company's pays from its profit and it is 
shown getting submitted IT return 
TCS means tax collected at source inwhich tax is collected  
from the various sources for paying tax from there services 
has been provided

difference between TDS and TCS is D & C

hai ki Nahi mai pachivi Pass?

difference between TDS and TCS 
TDS- OUT OF MONEY
TCS-COME IN MONEY