[en] A hot cell facility has been recently commissioned in the Radiochemistry Laboratory, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam with the objective of carrying out post - irradiation studies on fast reactor fuels as well as PHWR fuels. The hot cell facility has several novel features such as a double containment system with high purity argon atmosphere in the containment box, low probabilities of contamination or radiation exposure to operating personnel and economy in both capital and operating costs. This report describes the different concepts used to achieve a high degree of leaktightness in the stainless steel containment boxes as well as in the cells and the development of special gaskets and O-rings like formed gaskets and co-seals. (author)