Help me find the name/characters/author of this novel?

I want to know the story name and author name of one tamil novel,
Hero: sakthi
Heroine: revathy
They got married bcoz if family issue snd they went to USA where he works, she was illiterate. So, she went through some obstacles but her husband helped her and they fell into love, then she studied.the story went like this.
Thanks in advance.

 

Kadhal radhiye by Subasree Krishnaveni

 

Hi frnds I am searching for a novel. Hero lives in a joint family, he is the eldest son, he will not marry as he missed his child hood sweet heart.. but will want to marry her when he comes to know she is awidow. How both of them marry and family lives happy is story.. pls help me find it.

 

Hi frnds I am searching for a novel. Hero lives in a joint family, he is the eldest son, he will not marry as he missed his child hood sweet heart.. but will want to marry her when he comes to know she is awidow. Hero is friends with his chitappa very much.. he owns a dress shop i think and name might be mano i think.Heroine refuses first, their relationship after marriage isvery natural.How both of them marry and family lives happy is story.. pls help me find it.

 

Searching for a novel where hero will be College professor. He ll get engaged to heroine who will be a masters student in that college. Because of this they will not tell others in college. The story is about their relationship and what happens when someone tries to character assassination her in the college. Help me find novel.. thank you