Absconding husband of Twisha Sharma, Samarth Singh, surrendered before a court on 22 May.
This came days after the reward for information leading to his arrest was increased from Rs. 10,000 to Rs. 30,000.
Twisha Sharma, a 33-year-old model and actor, was found hanging at her residence in Bhopal on 12 May.
She had been married to lawyer Singh for just five months.
