Making the .gif was no easy task. You will need ImageMagic (zip + installer) and ffmpeg. I recommend these two articles:
final output
#library(DT)
#library(forcats)
library(gganimate) #may need: devtools::install_github("dgrtwo/gganimate")
library(animation)
library(googlesheets)
library(ggmap)
library(knitr)
library(raster) #get India's boundary coordinates
library(rgeos) #to simplify file
library(tidyverse)
library(plotly)
library(stringr)
library(tweenr)
library(ggrepel)
The ggmap library is provided by:
D. Kahle and H. Wickham. ggmap: Spatial Visualization with ggplot2. The R Journal, 5(1), 144-161. URL http://journal.r-project.org/archive/2013-1/kahle-wickham.pdf