Excel and TOS?

Here are the links

https://readtheprospectus.wordpress.com/2009/09/06/linking-excel-and-think-or-swim-for-streaming-real-time-calculations/

https://support.office.com/en-us/article/RTD-function-e0cc001a-56f0-470a-9b19-9455dc0eb593

http://pyfinance.blogspot.in/2015/06/thinkorswim-rtddde-data-into-python.html

Which are Top PE Funds in India?

http://inc42.com/resources/top-47-active-venture-capital-firms-india-startups/

What are the options for discount brokers?

International Brokers

https://the-international-investor.com/international-stockbroker-list/us-stock-broker-list

US Brokers Only

https://the-international-investor.com/comparison-tables/online-discount-stock-brokers-comparison-table

Which banks in India are too big to fail?

Seems like RBI has been chosen SBI (with almost 20% bad loans of the 300,000 Crore in the Indian Banking System) and ICICI with 5% bad loans as the two banks which can lead to a systemic risk if failure occurs.

So no wonder RBI has chosen them as TBTF.