An article written by HH Krishna Kshetra Swami for the Prabuddha Bharati (January 2016), the English journal of the Ramakrishna Mission.

"If you ask a vaishnava whether she or he practises tantra, the answer is likely to be: ‘No, absolutely not. I practise bhakti!’ Indeed, it is safe to say that most Vaishnavas consider devotion, bhakti, to Vishnu, Narayana, or Krishna to be the defining feature of Vaishnavism. What may be less known even within current Vaishnava circles is that tantra—or aspects of what can be identified as tantra—is generally an integral feature of Vaishnava culture and practice…"

Read the full article here:
Vaishnava Tantra (Prabuddha Bharati, January 2016)