Help me to find this novel

Hai
I am new to this forum
Please help me, how to find this novel, I read it long back, But I didn't remember the name and it’s author:
Heroine with her mother are poor and make vadaam, podi and sell it to shops and homes Heroine's uncle (father's younger brother) and his family stay near to her house. Heroine's cousin sister dominates and hesitates always for her poor. One day heroine goes to give the products to her friend’s house and she saw the hero, hero's mother fixes the marriage to hero and heroine. On their first night hero said that 'I didn't love u and I love only the drug'. Heroine concentrates her mind to develop her business and make something different. In the meantime heroine's cousin gets bad name with the neighbours and also her family too. She also knows her mistakes and changed herself. Heroine helps her and fix the marriage with her brother-in-law, and hero also fall in love with heroine but he does not expressed it
Heroine might be happy with the marriage and also her business gets great development with some more workers and hero helps her to get brand name of her products and she find hero was changed very well in the right way. Finally hero expresses his love.
Happy ending
If any body know this novel’s name and author? Please help me
Thanks in adavance.