guys thanks so much, ive finally updated and selected all the components, here i am copying my final config for my rig :
CPU : Intel Core i5 2500K, 3.3 GHz, Socket LGA 1155 : Rs 11600
GPU : EVGA GeForce GTX 460 DDR5 1 GB : Rs 11174
Display : Benq V2210 LED with HDMI : Rs 11090
Board : MSI P67A GD55 : Rs 9750
UPS : APC Back-UPS 1.1 KVA, 230 V : Rs 5445
Sound Card : Asus Xonar DX 7.1 PCI Sound Card : Rs 5035
Power Supply : Seasonic S12D 750w : Rs 6500
Speakers : Creative Inspire T6160 5.1 Channel : Rs 3400
Printer : HP 1050 All in one : Rs 3350
HDD : WD 1TB SATA Green : Rs 2850
Headset : Steelseries Siberia White Headset : Rs 2755
RAM : G-Skill Ripjaws DDR3-1600 (2x2 GB) : Rs 2500
Mouse : Razer Deathadder Black Edition : Rs 2100
Keyboard : Razer Arctosa : Rs 2000
CPU Fan : CoolerMaster Hyper 212 Plus : Rs 1850
Cabinet : CoolerMaster Elite 310 with side window (Red) : Rs 1840
DVD Writer : Sony 24x Dual Layer DVD Writer : Rs 1049
Mouse-Pad : Steelseries Qck Mini : Rs 499
TOTAL PRICE : RS 84,787 /- ONLY
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i think the above setup is a better performer than an alienware m17x anyday