20 February 2014
U r without article ship for a month. Ur actual completion date of articleship is on 20th sep 2015(as u joined on 21sep 2012) so 36 months from 21st sept comes to 20th sept 2015. But as u transferred & was not in practice training for 1 month hence it should b 1 month later i.e, 28th oct 2015.