It stands for 10 Karat gold plated in 98% of circumstances. I have not yet come across an item using "Plumb" in association with 10 karat and I have not yet come across "kgp" used for "Karat gold plumb". So, sorry, it's just plated.
R. K. Narayan was born on October 10, 1906.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern K-R--G--P. That is, nine letter words with 1st letter K and 3rd letter R and 6th letter G and 9th letter P. In alphabetical order, they are: kirbigrip
ballroom
5 = p r k n g a and i are both vowels.
S - p - o - n - g - e - b - o - b s - q - u - a - r - e - p - a - n - t - s p - a - t - r - i - c - k s - t - a - r - r s - q - u - i - d - w - a - r - d t - e - n - t - a - c - l - e - s e - u - g - e - n - e k - r - a - b - s p - l - a - n - k - t - o - n g - a - r - y
upper: F,G,J,L,P,R lower: a,b,d,e,f,g,h,j,k,p,q,r,t,y
K. P. R. Gopalan died in 1997.
P. K. R. Warrier died in 2011.
P. K. R. Warrier was born in 1921.
P=q/r* * * * *The correct answer is P = k*q/r where k is the constant of proportionality.
Project G-e-e-K-e-R- - 1996 Worm 1-10 was released on: USA: 16 November 1996
R K G R-oyal K-idz G-angstah