Here are the top cryptocurrency news headlines from India this week: India ranked sixth in DeFi adoption: https://blog.chainalysis.com/reports/2021-global-defi-adoption-index ; RBI could begin CBDC trials by December: https://www.cnbc.com/2021/08/27/india-central-bank-rbi-digital-rupee-trials-could-begin-by-december.html ; Bitcoin rally brings Indian investors back to crypto: https://economictimes.indiatimes.com/markets/cryptocurrency/bitcoin-rally-draws-indians-back-to-cryptos/articleshow/85605361.cms ; India Covid Crypto Relief Fund to donate $15 million to UNICEF India: https://economictimes.indiatimes.com/tech/tech-bytes/india-covid-crypto-relief-fund-to-donate-15-million-to-unicef/articleshow/85694682.cms ; Cashaa ties up with Polygon to offer DeFi solutions: https://www.livemint.com/market/cryptocurrency/cashaa-ties-up-with-polygon-to-offer-defi-solutions-to-masses-11629717659044.html ; Former RBI governor Raghuram Rajan optimistic about the future of cryptocurrencies: https://www.indiatoday.in/business/story/raghuram-rajan-optimistic-about-the-future-of-cryptocurrencies-here-s-what-he-said-1846102-2021-08-27 ; CoinDCX joins Advertising Standards Council of India: https://www.livemint.com/companies/news/coindcx-joins-advertising-regulator-to-enhance-confidence-in-crypto-11629879495281.html ; Bitbns exchange updates its bank account details; Zebpay lists Graph Protocol (GRT) in its INR and USDT market and Storj in its USDT market; WazirX lists Arweave (AR), DODO and FLOW in its USDT market; Reading Recommendation: 3 ways traders use Bitcoin futures to generate profit: https://cointelegraph.com/news/3-ways-traders-use-bitcoin-futures-to-generate-profit