Police in Tirunelveli, Tamil Nadu, have arrested 39-year-old Sheikh Abdul Gafur and seized 21 items, including time devices, battery cells, IEDs and two plastic containers, which were to be used to make bombs. India has been put on high alert after at least 46 people were killed on Saturday by bomb explosions in Ahmedabad. A terrorist group "Indian Mujahideen" claimed responsibility for the Ahmedabad attack on Saturday.