Hi Prakash,
If rotating the textbox doesn't do what you need, see:
https://www.msofficeforums.com/word/...html#post54386
Do note the restrictions on the kinds of table the macro can process. You will need to set row heights to 'exact' and unmerge any merged cells before running the macro, but the only thing you might need to do afterwards is to re-merge the cells you had to unmerge.