There are many smart devices available to buy under Rs. 4,000 and I have listed few of them below. Go through the details given below to know more:
Samsung Galaxy Star 2 (Rs. 4,000)Lenovo A369iMicromax Bolt A58 (Rs. 4 K)ZTE KIS Flex V793 (Rs. 4 K)Micromax Smarty 3.0 A30 (Rs. 4 K)Micromax Bolt A27 (Rs. 4 K)Karbonn A3 (Rs. 3,599)Intex Aqua 3.2 (Rs. 3,199)Intex Aqua Swadesh (Rs. 3,790)Micromax A25 (Rs. 35,99)Celkon A83 (Rs. 3,590)Spice Smart Flo Mi-351 (Rs. 36,90)Celkon A77 (Rs. 3,799)Intex Aqua Marvel G32 (Rs. 4 K)
You can buy any of them from various online mega stores at the price tag which I mentioned with them.
I find that the harder I work, the more luck I seem to have.