Tablets with calling are once again becoming the vogue in India. Despite the awkwardness of it all, companies confess that a lot of Indian consumers see value in holding a large tablet to their ears to make a call. The latest in the line is the Lenovo Tab A7 (A3500-HV). Specs: 7-inch HD (1280x800p) IPS 1.3GHz Quad Core MTK 8382 processor 1GB RAM,  16GB internal memory + 32GB external Regular SIM 5MP...