Discover the CSB full form , its meaning in banking , education, and more. Get clear answers and fast facts for students and exams. What is the full form of CSB ? CSB stands for Catholic Syrian Bank . It is one of the first private banks to open in India, which was founded in Thrissur, Kerala, in 1920. The bank was founded with a paid-up capital of INR 45,270 lakhs and an authorised capital of INR 5 lakhs. It was established to offer banking and financial services. The bank had only one branch in Kerala, but in 1972 it launched its first branch in Mumbai's Chembur district. CSB Bank Limited (erstwhile Catholic Syrian Bank Limited) [2] is an Indian private sector bank with its headquarters at Thrissur, Kerala, India. The bank has a network of over 785 branches and more than 746 ATMs across India. [3][4] CSB Bank (formerly The Catholic Syrian Bank Ltd) is engaged in the business of banking Services ,oldest private sector banks in India with a history of over 98 years, and a strong base in Kerala , Bank focus on SME, retail, and NRI customers. (Source : Company Web-site )