Hi ! I want to buy a tablet for me and my budget is Rs. 10,000 b't I can increase it upto Rs. 12,000. So, suggest me a best tablet in which I found a perfect screen and smart features. So, plz guys help in this and suggest me a best tablet.

Now thats very difficult.
Stop seeing prices online, American prices do no apply here. and with a cascade of taxes and duties, a tablet costing 10k there comes at 25k here.

your closest bet is Olive telecon OlivePad around 25k.

I went to the shop and the shopkeeper also shown me this tab which u suggest me in d same price as u describe here. but he didn't recommend me that.. he said this device is not reliable..... so, can u sggst me some oder tablet...

May be you can try Olive OlivePad V-T100 with Android 2.2 OS .
Below we have its specifiation :

Code:

Size
Weight: 	375g
Display
Type: 	WVGA
Resolution: 	800 X 400 pixels
Size: 	7 inches
Camera
Primary Camera: 	3 MP
Secondary Camera: 	VGA camera
Video Recording: 	Yes
Battery
Type: 	3240 mAh Lithium Polymer
Talk Time: 	26 hours(2G) (Maximum)
StandBy Time: 	9 hours(3G) (Maximum)
Audio & Video
Ringtone Formats: 	Upto 600 Hours for 2G/3G
Speaker: 	Yes with 3.5mm port
Radio: 	Yes
Video Player: 	H.264 video, MPEG4, 3GP formats
Data & Connectivity
EDGE: 	Yes
3G: 	Yes
Wlan: 	Wi-Fi (802.11b/g)
Bluetooth: 	Yes with A2DP
USB: 	USB 2.0
WAP: 	Yes
Input
Touch Screen: 	Yes
Platform
OS: 	Android 2.2 Froyo
CPU: 	ARM11 600MHz
GSM/CDMA/Dual Sim/Triple Sim: 	GSM
Memory
Internal Memory: 	512 MB
Cards Slot: 	Up to 32 GB   Buy Memory ›
Phone Book: 	Yes
Call Records: 	Yes
Other Features
Games: 	Yes
GPS: 	Yes(with Free Lifetime subscription)
Browser: 	Yes
Messaging: 	SMS, MMS, Push Mail, Microsoft Exchange and Active Sync, Instant Messaging
Miscellaneous: 	Gmail,Gtalk,Facebook,Twitter,Zenga-Live TV(Free 6 month subscription),MapmyIndia-Maps(Free lifetime subscription),Office Documents, Youtube,E-Book Reader, Gallery,Android Market
Warranty
	1 Year Olive India warranty for the phone and 6 months warranty for accessories
In the Box
Sales Package: 	Headset, Battery, Travel Charger, Usermanual, Warranty terms & Service Center List

The downside of this tablet is that it has only 600 MHZ processor and has no GPU but at Rs. 14000 , its good option provided that if its reliable.

Hey Jay I post the list of new and popular tablet PC with price details:-
New Aakash 7inch Ubislate 7 with calling feature @ Rs. 2,999/-
New Champion 7inch Wtab @ Rs. 4,899/-
Devante My Tab @ Rs. 3,690/-
HCL U1 Tab @ Rs. 7,590/-
Fujezone Android 2.2 Tablet @ Rs. 6,190/-
Micromax Funbook Slate @ Rs. 6,399/- (after 20% off)
Zync Z909 Tablet PC @ Rs. 6,599/-

May be it will help you to grab the best one under your budget of Rs. 10,000/-