Project is supported by Ministry of Education, Youth and Sports in the frame of INGO grant competition. The main aim of the project is to enhanced cooperation of IEAP CTU with international underground laboratories such as LSM (Modane, France) and SNO (Canada). Team of IEAP CTU is long time concentrated on the experiments, which are running in the above mentioned underground laboratories. It concerns of experiments such as - TGV (double electron capture of ¹⁰⁶Cd), NEMO 3 (neutrinoless and two-neutrinos double beta decay of several isotopes), SuperNEMO (neutrinoless double beta decay of ¹⁵⁰Nd or ⁸²Se) and PICASSO (detection of neutralino).