<p>They said the slab collapsed due to improper alignment by workers and there was no one at the spot where the mishap occurred. Bangalore Metro Rail Coporation engineers have been asked to look into it, they said.</p>
<p>They said the slab collapsed due to improper alignment by workers and there was no one at the spot where the mishap occurred. Bangalore Metro Rail Coporation engineers have been asked to look into it, they said.</p>