GATE Arch/Planning book through various seller.

https://paytm.com/shop/p/gate-architecture-planning-9789385186462_24933?src=search-grid&tracker=organic%7Cundefined%7Cgate+architecture%7Cgrid%7CSearch%7C%7C1

http://www.amazon.in/GATE-Architecture-Planning-B-Das/dp/9385186469/ref=pd_sim_sbs_14_1?ie=UTF8&dpID=51zelRYjxtL&dpSrc=sims&preST=_AC_UL160_SR113%2C160_&psc=1&refRID=031NHJ1BFZ6PZ9JH4SAV

http://www.flipkart.com/gate-architecture-planning-english/p/itmeakzgzyehzp7g?pid=9789385186462&al=23%2BF2aWUv8R92PeF1r9rDsldugMWZuE7mxWx381qOwRkPtnEIbSL9Zj57B5Z0cBq6paaMODVkcE%3D&ref=L%3A-1248845235556233377&srno=p_2&otracker=from-search

https://pothi.com/pothi/book/b-k-das-gatesecond-edition