For Tula lagna Guru (lord of 3 and 6), Ravi (lord of 11) and Kuja (lord of 2 and 7, maraka house) are malefics. The Moon (lord of 10) with Budha (lord of 9) causes Raja yoga. Kuja is a maraka. Ravi and Guru do not cause death. Shani and Budha are benefics.