Here I have listed a few wifi routers that costs you below Rs.1000
1. D-Link Dir-600M Broadband Wireless Router
This router is carrying a 150 Mbps Wireless Speed, has a single WAN Port with an External Antenna. The Encryption is that of WPA/WPA2. The router gives you a Three Year Warranty.
2. TP-Link TL-WR740N Wireless Router (white)
The router comes with 50Mbps wireless data which is ideal for online gaming, internet calling and video streaming. Its IP based bandwidth control helps the administrators to decide
how much bandwidth needs to be allotted for each PC connected to the router.
The Wireless security encryption can be easily accessed by pushing of a QSS button. Its WDS wireless bridge is for the seamless bridging that helps in the expansion of your wireless network. The router is compatible with 80211b/g/n devices
and with both Google Chromecast and RJ45.
3. TP-Link TL-WR720N Wireless Router
The Wireless Speed of this router goes up to 150 Mbps. It supports WPA/WPA2 Encryptions with a 10/100 Mbps speed. The router has got two 10/100Mbps LAN Ports, and one 10/100Mbps WAN Port. The Frequency is 24 GHz.
4. Netgear JNR1010-100INS 4PT N150 Wireless Router
This Push 'N' Connect WiFi connection based wireless router has got a N150 WiFi speed which works perfectly for browsing the Internet, sending email, and chatting online. Its External 5dBi antenna is crafted specially for improved WiFi coverage. The WiFi range goes well with medium-sized homes and offices and it has Guest network access and controls.
5. Digisol DG-HR3400 300Mbps Wireless Broadband Home Router
This router goes upto 300mbps of wireless speed. There are options of Multiple wireless modes to select the WLAN operation. You also get Multiple SSID Support for adding up multiple Wi-fi networks. The WMM function is to enhance the multimedia experiences in wireless. The router has the URL blocking feature for parental control. You get a Lifetime warranty for this router.
There are plenty more available, but these appeared to be the best among the lot because of their customer ratings and feedback.