State JDS chief HD Kumaraswamy, who is contesting from two constituencies, declared his and his wife's assets totalling more than Rs 167 crore. Their liabilities stood at over Rs 103 crores.
While Mr Siddaramaiah filed his nomination from Chamuneshwari constituency in Mysuru, Mr Kumaraswamy filed papers from Ramanagara as well as Channapatna.
Assets (movable and immovable) of Mr Siddaramaiah stood at Rs 11.20 crore while that of his wife Parvathi were declared to be worth Rs 7.60 crore.
They have also declared assets worth Rs 1.55 crore under Hindu Undivided Family (HUF).
Mr Kumaraswamy, son of former prime minister and JDS chief HD Deve Gowda, declared his movable and immovable assets at Rs 42.91 crore and that of his wife at Rs 124.22 crore.
His occupation was mentioned as a public servant and an agriculturist, and his wife an entrepreneur.
According to the affidavits, they have liabilities of about Rs 2,94,75,198 and Rs 1,01,93,09,364 respectively.