Difficult to answer with just these pictures. But you should have a look on the keys provided in this question/answers: https://www.researchgate.net/post/Is_it_possible_to_get_a_Key_for_tick_and_mites_identification

Dear Sri Nuraminah

this  is a Ornithodoros a genus of ticks of the family Argasidae, These ticks live in obscure and sheltered places (niches, burrows, caves, dens, cliffs used as breeding colonies or dormitories for birds). Rare species parasitize livestock, But may occasionally bite humans or other animal species

Dear Damien and Mohamed Mahmoud

Thanks your useful information.

regards,

Sri

thanks for u too

It is a  soft-bodied tick family, Argasidae. Please see the following link:

https://www.extension.umn.edu/garden/insects/find/ticks-and-their-control/