TCS iON — Invigilator not provide water bottle during exam

I'm vinay I went to write exam in iON DIGITAL Zone iDZ Vishnupuri
SSS Indira institute of technology, vishnupuri, gate no 18 & 22, , Nanded, Maharashtra, India - 431601 centre.
During the examination, water was not provided in a bottle when they asked for it, before that they provided a bottle when they asked for water while giving papers in the centre.