Hi Praveen
Assuming Flat Salary
His TDS is calculated as follows
| ANNUAL SALARY | 650000 |
| TAX | 55000 |
| REBATE | 0 |
| NET TAX | 55000 |
| CESS | 1650 |
| TAX+ CESS | 56650 |
| MONTHLY TDS | 4721 |
Learn more about it here
http://teachoo.com/956/383/TDS-as-per-Income-Tax-Slab-Rate/category/TDS-on-Flat-Salary/