Traditional Tantric practice emphasizes that these texts should not be used without the guidance of a qualified teacher ( Guru ), as the rituals often involve complex visualizations and specific energetic requirements.
Surviving manuscripts are often written in old scripts like Newari , Nandinagari , or Grantha , rather than modern Devanagari Sanskrit.
Given the multifaceted meanings of both "Kinkini" and "Tantra," it is very possible that the user is searching for a specific, obscure Bengali-language text—perhaps a tola (traditional manuscript copy) or a rare published book—that has been digitized and shared online.
For a scholarly and comprehensive reading experience, translated editions of the Kankamalini Tantra (often in Hindi and English) are available through publishers specializing in Indology, such as Prachya Prakashan. A Note on Tantric Practice