The Samvit Sankirtan Saar (Hindi) is a collection of devotional songs, hymns, and chants (Sankirtan) published by the Samvit Sadhanayan Society (or Samvit Prakashan), which is associated with the teachings of Paramhamsa Parivrajakacharya Poojya Swami Shree Ishwarananda Giriji Maharaj.
Here is a breakdown of what the title means and its significance:
Therefore, the Samvit Sankirtan Saar is essentially a book containing the "Essence of the Sankirtan (Devotional Chants) for Divine Consciousness" as practiced within the Samvit tradition.
You can often find audio or video recordings of the Sankirtan sessions and recitations from this tradition featuring Swami Ishwarananda Giriji on YouTube, which are sometimes titled "Samvit Sankirtan.