New Delhi, Sep 24 (IANS): Jagjit Singh's Bollywood colleagues like singers Sonu Niigaam and Shreya Ghoshal as well as friends like actors Amitabh Bachchan and Anupam Kher have wished a speedy recovery for the ghazal maestro, who is critical after undergoing surgery for brain haemorrhage at a Mumbai hospital.

The 70-year-old singer was operated at the Lilavati Hospital Friday, when he was scheduled to sing with Pakistani ghazal king Ghulam Ali at a concert.

Get well soon wishes started pouring in on microblogging site Twitter ever since, with melody queen Lata Mangeshkar being one of the first to react to the news. Here's what some of the celebrities tweeted:

Lata Mangeshkar: mujhe abhi pata chala hai ki hum sab ke priya ghazal singer Jagjit Singhji ko brain hemorrhage hua hai aur woh hospital me hai, main ishwar se prarthana karti hu ki wo jald acche ho jaaye, aur aap sab bhi unke liye prarthana kijiye... (I have just come to know that our favourite ghazal singer Jagjit Singhji had a brain hemorrhage and he is in hospital. I will pray for his fast recovery and all of you should also pray for him.)

Amitabh Bachchan: Came to know from Lata-ji's tweet, famous ghazal singer Jagjit Singh has had a brain haemorrhage. Prayers for all to be well... Jagjit Singh that great ghazal singer is critical with brain haemorrhage... speedy recovery! Jagjit Singh - the man with the silken voice; smooth and endearing in all his ghazal renditions.

Akshay Kumar: God knows what's wrong with this world, now ghazal maestro Jagjit Singh suffers from brain haemorrhage. Sending him good wishes and praying for his well being.

Mahesh Bhatt: "Tum itna jo muskura rahe ho", a song from "Arth" sung by Jagjit Singh echoes in my heart as I read the news of him being hospitalized.

Anupam Kher: My prayers for Jagjit Singh, the best ghazal singer of our country. May his health be fine soon.

Sonu Niigaam: We'll all pray for Jagjitji. We want his royal voice to grace our planet for many more years. God bless him and save him.

Shreya Ghoshal: Jagjit Singh uncle in critical condition. I am praying constantly for his recovery. Very sad abt Jagjit uncle's health... Hope he becomes fine soonest.

Sophie Choudry: Shocked to hear Jagjitji has had a brain haemorrhage. Just met him two weeks ago. He was full of life as always! Adore him! May all be well. Prayers.

Vishal Dadlani: Prayers for Jagjit Singh saab.

Aftab Shivdasani: Let's all pray for Jagjit Singhji's health... He is critical at Lilavati hospital... May god oversee this and allow mercy to him.