Electrophilic addition: In this addition reactions, an electrophile attack on double bond of alkene to form an intermediate carbocation and convert one of the pi bond to sigma bond. In second step the counter ion attacks on this intermediate to form saturated hydrocarbon as product.
Ketu is the reflection of all the baggage of values and motives that we have brought into this birth. With a proper study of the placement of Ketu in a Birth-Chart, we can also get a hint or an idea that in what area a person is bound to perform well and where his interests and inclinations lie in the current birth.
Puttu is a traditional breakfast dish very popular in Kerala. It is also made in Tamil Nadu and Sri Lanka. In Sri Lanka it is referred to as pittu.