Who is the author of the book "The D Word"

Who is the foreign affairs minister under trumph for the USA

If the five subsidiary banks of State Bank of India are merged with it, what superior position will it achieve globally

In India, the permissible Specific Absorption Rate (SAR) of mobile phone for human is 

Consider the following statements 

Assertion (A) : Bengaluru's Kempegowda international Airport received the Best Regional 

Airport in India and central Asia for the second time

Reason (R) : It has been certified as the pollution free airport under 'Swachch Bharath Abhiyan'

Who was popularly known as "Banga Bandhu"