Micromax Joy 1800 offers 1.77 inch 4.49cm TFT display, 0.08 megapixel rear camera, 750 mAh battery, FM Radio, music player, video player, microSD card slots, dual SIM card slots (GSM + GSM) and surprisingly it also has Bluetooth and micro USB port and you can buy all of this for just Rs. 699/- which is phenomenal.
On the other side Micromax Joy 1850 comes with similar 1.77 inches (4.49 cm) TFT display, 0.08 megapixel rear camera, Bluetooth, micro USB 5-pin, torch light, microSD card slot (GSM + GSM), microSD card slots, video player, music player, FM radio and the main difference between two devices in not only design but also the massive difference between the battery capacity as Micromax Joy 1850 features 1800 mAh battery which can give up to 642 hours of standby time and is priced at Rs. 749/-.
The most surprising fact is the cost at which the phones are priced and it is only possible by cutting down the price. This is the reason these phones does not comes in cardboard boxes or some kind of designer packing rather these device comes in pouch packing and in-side the packing you get USB cable, warranty card, user guide, charger, handsfree, battery and handset.