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