TCS BaNCS Customer Newsletter TCS BaNCS #31 (September 2019) | Page 17

of India for use in transit payments for train, subway, and buses. This will become a massive market as the transportation system in India in a manner that was very satisfactory modernizes. for all of our customers. We also The pace of digital transactions in received accolades from the India is growing very rapidly, and as government. We were able to quickly digital payments increase, the number extract data on demonetization from Customer satisfaction would increase of transactions also increases. We the core banking system, and many of as a result. expect the exponential increase to the decisions which the government continue. took during that period were based approach for our Government on that data. Banking services. Initially, these How has SBI prepared for this exponential increase in transaction volume? We have benchmarked TCS BaNCS to handle 2 billion customer accounts and 23,000 transactions per second. We took the same decoupling services were built into the Running such a large organization as SBI, how do you ensure agility with your systems? When we started, our core banking core banking solution. Then, we took those functions out into a separate application, making them more agile and nimble. We can make modifications in Currently we are at about 700 system was a monolithic application, ways that we could not have million customer accounts and 7,500 which we thought was an ideal done earlier, which has increased transactions per second, which leaves architecture. We soon realized that our agility in creating highly a considerable amount of headroom having a monolithic application customized banking services for in our core banking architecture. This sharply increased our time to market. specific government agencies. gives us confidence that TCS BaNCS A core banking system needs to will hold us in good stead for the connect with multiple interfaces and foreseeable future. channels, and the best way of doing We recently saw our infrastructure so is through APIs. Otherwise, you Any final thoughts on the relationship between SBI and TCS? TCS has the advantage of its put to the test with banknote end up with the spaghetti of one- demonetization in India. Within a to-one connectivity between every lineage as part of the Tata Group of span of three months thereafter, system that needs to exchange data. companies, which are known to have the number of digital transactions For example, our SMS notification a very good corporate governance almost doubled, but we had plenty of engine was originally built into the culture and very high ethical headroom. core banking system. When we standards. Because of this, we have wanted to add different kinds of a great deal of faith in TCS as an notifications, we found that it was organization. What other challenges did you face with demonetization? very difficult to change the code. TCS has been running our core This delayed our ability to provide banking solution for almost 18 years. notifications for new services. In addition, TCS is involved in running be changed very rapidly to account Working with TCS, we decoupled many other critical systems of the for new restrictions and limits. The the notification engine from the core bank. instructions would arrive in the banking system, so that notifications evening, and by the next morning, work through an API that can connect has been able to accommodate us — our interfaces had to be ready for the with any component of core banking most of the time. No relationship in change. The TCS teams responded or any other system. We can now the world is perfect, and we will always admirably to the challenge. We were deploy new types of notifications have more demands on them than able to handle the massive changes much faster in response to consumer they can fulfill. But the relationship has during the period of demonetization needs, and it’s much more reliable. been a very satisfying one. Our core banking system had to 17 Whenever the need has arisen, TCS l