<h1>RBI Urges Taxpayers to Pay Early, Avoid Congestion; Key Dates: June 15, June 30, July 31.</h1> The Reserve Bank of India (RBI) has advised taxpayers to pay their dues in advance to avoid last-minute congestion. Observing a significant rush for tax payments towards the end of June, the RBI noted that this leads to long waiting times despite additional counters. Taxpayers are encouraged to remit income tax dues early and utilize online payment options available at select branches of 29 banks in Mumbai. Key dates include June 15 for the first advance tax installment for 2018-19, June 30 for securities transaction tax returns for 2016-17, and July 31 for annual income returns for 2017-18.