In the new circular prescribing social etiquette guidelines, State Bank of India (SBI) has warned its employees against burping especially during meetings, calling it "highly irritating.\u201d \u00a0Among the tips to its 2,68,705 employees, a strong directive against belching is interesting. The largest public lender of the country has also asked its employees to go formal or at least semi-formal, The Hindu reports. "T-Shirts, Jeans and sneakers\/sports shoes etc. should not be part of attire.," the circular says. The staff members have also been asked to wear polished shoes instead of slippers when in office premises. The senior female employees are asked to wear formal Indian or western wear and the male administrative staff to wear \u2018smart formals\u2019 or \u2018smart semi-formals\u2019 and a tie while meeting customers, a communication to all employees on January 6 by the human resources department of SBI said. The State Bank of India had collected whopping Rs 1,771 crore during April-November 2017 as charges from below minimum balance accounts. The charges were slapped on customers who did not maintain their minimum monthly average balance (MAB) in their accounts, according to reports. It has been learnt that the amount is more than the bank\u2019s July-September quarter net profit of Rs 1,581.55 crore and nearly half of the Rs 3,586 crore it earned as net profit from April to September. SBI did not collect any money from levy of charges for non-maintenance of MAB during the 2016-17 financial year. The charges were reintroduced after a gap of five years during the current fiscal. The bank has a total of 42 crore savings bank accounts of which 13 crore are Basic Savings Bank Deposits Accounts and Pradhan Mantri Jan Dhan Yojana accounts, both categories exempted from levy of such charges. SBI on January 1 reduced the base rate and benchmark prime lending rates (BPLR) by 30 basis points each, which will benefit nearly 80 lakh customers on the old pricing regime. The nation\u2019s largest lender revised down the base rate to 8.65 per cent for existing customers from 8.95 percent, while the BPLR is down from 13.70 percent to 13.40 percent. The bank however did not change the marginal cost of funds-based lending rate (MCLR) which would have brought down the cost for all borrowers.