State Bank of India EAST SIKKIM REGIONAL OFFICE, GANGTOK Branch in SIKKIM Address & Phone Number can be used for contacting directly, which helps to identify the Exact Location of the Bank. State Bank of India REGIONAL OFFICE, GANGTOK Branch EAST SIKKIM has many branches in SIKKIM. Address for State Bank of India EAST SIKKIM in SIKKIM clearly shows the Address of State Bank of India. In today's fast world, we need quick banking solutions to suit our lifestyle.