Fill in the blanks with the appropriate words:

Chennai-based public sector lender Indian Bank announced the successful ____(1)____ of its consolidated core banking solution (CBS) platform, following the merger of Allahabad Bank into Indian Bank, effective April 1, 2020.The CBS and all channels were made ____(2)____ for use by branches and customers on February 15. The integrated CBS is running ____(3)____ across branches and channels. Indian Bank in a statement said that this was a ‘big bang’ merger by the CBS provider, TCS where the data of 3000 plus branches and all channels of erstwhile Allahabad Bank were ____(4)____seamlessly to the Indian Bank database. The customer account numbers of both the banks ____(5)____ unchanged and the login credentials of internet banking and mobile banking were also retained.