Former Satyam chairman Ramalinga Raju and his brother, former Satyam Managing Director Ram Raju surrendered before the Andhra Pradesh Director General of Police on Friday night and were subsequently arrested, police spokesperson said.

Ramalinga Raju has been charged under various sections of the Indian Penal Code including Section 120B for criminal conspiracy, under Section 409 for breach of trust, under Section 420 for cheating, and under Section 468 and Section 471 for forgery.

On Wednesday, Raju - Satyam's Founder and Chairman - resigned from the company after after confessing to country's biggest financial fraud of Rs 7,000 crore and disclosing massive financial irregularities.