The Fort of Love) is a 1996 Indian Tamil-language romantic drama film written and directed by Agathiyan, and produced by Sivasakthi Movie Makers.

It was remade in Kannada as Yaare Neenu Cheluve (1998), in Bengali as Hothat Brishti (1998) and in Hindi as Sirf Tum (1999) by the same director.

Suriya, an orphaned, carefree man who works in Jaipur, finds the purse and sends it back to her, and a love develops through letters.

Unable to withstand the advances of Neya, Suriya quits his job and gets sheltered by his friend Paneer, an auto rickshaw driver, who arranges for him to drive for a living.

[3] Sangita was the first choice for the lead actress, but declined due to her commitments to Poove Unakkaga, resulting in Devayani being cast.

[8] All tracks are written by Bhuvana ChandraThe Tamil magazine Ananda Vikatan appreciated the film by giving 52 marks, mentioning that the basic plot was a novel idea which had been given a good shape and life by the filmmaker.

[9] K. N. Vijiyan of New Straits Times wrote, "I had expected the usual story of college boy meeting girl with both parents objecting to their relationship.

[11] D. S. Ramanujam of The Hindu wrote "A new kind of love story is given the trimmings and gloss in right proportion under the expert eye of director Ahathiyan (Vanmathi, Madhumathi) in Sivasakthi Movie Makers' Kathal Kottai making the viewers sit back and enjoy every frame.

"[12] Kadhal Kottai was remade in Kannada as Yaare Neenu Cheluve (1998),[17] in Bengali as Hothat Brishti (1998),[18] and in Hindi by the same director as Sirf Tum (1999).

Dhananjayan wrote, "Kadhal Kottai is a trendsetting film which breathed new life into Tamil cinema and paved the way for revival of love themes in a big way".