Name the mission which is embarked by INS Sagardhwani in Kochi.

INS Sagardhwani embarked on a two-month-long Sagar Maitri Mission-2 from Southern Naval Command in Kochi. INS Sagardhwani is an oceanographic research vessel of the Defence Research and Development Organisation (DRDO). Sagar Maitri is a unique initiative of the DRDO to promote closer cooperation in socio-economic aspects as well as greater scientific interaction, especially in ocean research among Indian Ocean Rim (IOR) countries.