update1:

Battle for Sanskrit

http://asaa.asn.au/tigers-vs-goats-rajiv-malhotras-battle-for/ by McComas Taylor
Several reviews, only positive, on the book's website, under "reviews."

Indra's Net

Untangling The False Knots In Rajiv Malhotra’s Indra’s Net by Anantand Rambachan

Being Different

https://www.academia.edu/5416706/Becoming_Different_Why_Education_is_Required_for_Responding_to_Globalism_Dharmically_Journal_of_Hindu-Christian_Studies by Jonathan Edelmann
Seven articles in IJHS, December 2012, by Nocholas Gier, Shrinivas Tilak, Gerald Larson, Rita Gross, Robert Yelle and Cleo McNelly Kearns. With a response by Rajiv Malhotra. Behind a paywall.

More

thanks to those who have given me this information.

Dominik Wujastyk