What type of visit visa you have? from any company (business visa)? it is extendable for 1 more month, you need to get a letter from that company, to be done in Airport emigration. or family visit by any close relatives? it is extendable to 5more months, to be done in main emigration and you need to take medical before extension. or Qatar airways visa? check with them! which ever visa if you need to extend, you need to apply for it before it expires.
What type of visit visa you have? from any company (business visa)? it is extendable for 1 more month, you need to get a letter from that company, to be done in Airport emigration. or family visit by any close relatives? it is extendable to 5more months, to be done in main emigration and you need to take medical before extension. or Qatar airways visa? check with them! which ever visa if you need to extend, you need to apply for it before it expires.