import numpy as np
from matplotlib import pyplot as plt, font_manager as fm
fprop = fm.FontProperties(fname='/usr/share/fonts/truetype/malayalam/Karumbi.ttf')
plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True
x = np.linspace(1, 10, 1000)
y = np.sin(x)
plt.plot(x, y, label=r'\sin (x)', c="red", lw=2)
plt.title(label=r'\sin (x)', fontproperties=fprop)
plt.show()