  The Baikal-GVD is a neutrino telescope under construction in Lake Baikal. The
main goal of the Baikal-GVD is to observe neutrinos via detecting the Cherenkov
radiation of the secondary charged particles originating in the interactions of
neutrinos. In 2021, the installation works concluded with 2304 optical modules
installed in the lake resulting in effective volume approximately 0.4 km$^{3}$.
In this paper, the first steps in the development of double cascade
reconstruction techniques are presented.
