Trai — excessive text messages on mobile

Address:	Thane, Maharashtra, 400605
Website:	WLGAIN', 'KATSEC

Frequent text messages from 'wlgain', 'katsec' which is quite irritating giving buy calls on stocks which are fraudulently in nature. Innocent investors may get trapped from such messages. I want to get rid of such messages as soon as possible.
These messages are misleading and unnecessary. Please locate such people and take action against them.

Also i have never provided my mobile no. On websites to get such messages.
Who are sharing my personal details with such people should be looked into