Bharathy,
Resume writing is a art and can be very effective if portrait in a right manner. Well basically we need to follow few points when we make resume:
1- Not more than 2 pages
2- In very very effective manner ur objective which should tell the company wht u can give nt wht u wnt.
3- Ur skills & knowledge
4- Ur Professional details important is give details of only two organization max not all if u have changed many ogr.
5- Write ur responsibilities in short dnt forget to write KRA's never write processing work.
6- In achievements make sure it should be in numbers its more effective...
7- Educational in short starting with Highest Education.
8- Then write special learning like other professional courses of seminars attented related to job not everything.
9- Then Personal Details: in this ur DOB, Gender, Marital Status, Languages known,
Passport Details.
Resume formatting is also very imp...use spaces, good fonts, readable not too much contents...
As i design resumes i have given the details if need more help kindly revert back :)