 M61–M66 were based at Mumbai formed the 19 Mine Countermeasures Squadron (MCMS) and were decommissioned by the March 2015.M67–M72 are based at Visakhapatnam and form the 21 Mine Countermeasures Squadron (MCMS).INS "Konkan" suffered minor fire accident in Vizag dry dock on 4 December 2013.