Dear Sunil
You can the following draft.
To
Mr.............
................
Dear Sir
Sub- Campus selection
Please refer to our letter dated ............. offering you the post/position of.................. in our company.We would have cherished your association with our company as we believed that you have the potential to contribute to the growth of the company. However, we are pained to inform you that we are constrained to withdraw our offer due to .......(explian the reasons).....
We will not hesitate to be in touch with you when the constrainsts are over. In the mean time, we thank you for your response for the campus interview and wish you a bright career ahead.
Yours sincerely
Competent Authority.
Note :- This offer letter can be modified by you to suit your circumstances
B.Saikumar
HR & Labour Law consultant
Chipinbiz Consultancy. Pvt.Ltd
Mumbai
Tel: 022-28324234