TDS is a tax which is deducted on service provider by 
service receiver means tax deducted at source.

It is identify depends on contract of service & service 
value, transactions exceeding to Rs. 20000/- or in one 
financial year if transaction are made upto Rs. 50000/- in 
individual seperate entry or payment.

tds is tax deducted at source. which are deducted on income 
in nature of direct and indirect as per the rate applicable 
under income tax act

tds is tax deducted at some source 
it is decuted on expenses & incomes
when the payer or deducter is paying certain amount to his 
s.creditor or deductee he deducts certain amount as tds and 
deposite that amount to the govt within 7 days of deduction 
and issue a certificate to dedutee ( form 16 or 16a)

on tds we will get half yearly returns