http://www.amazon.in/Lenovo-Yoga-Tab-Tablet-Calling/dp/B01JZ8Z5XE/ref=sr_1_1?ie=UTF8&qid=1493025473&sr=8-1&keywords=tablets+with+calling+and+4g+10+inch

8MP primary camera with auto focus and 8MP front facing camera
20.32 centimeters (8-inch) HD IPS capacitive touchscreen with 1280 x 800 pixels resolution
Android v5.1 Lollipop operating system with 1.3GHz Qualcomm APQ8009/MSM8909 quad core processor, 1GB RAM, 16GB internal memory and single micro SIM
6200mAH lithium-ion battery providing talk-time of 20 hours and standby time of 95 hours
1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase