from IIT-Kharagpur, in Ultrafast Spectroscopy Lab at IISER-TVM. (April 2019)
from TIFR, Mumbai with the Ultrafast Spectroscopy Group at IISER-TVM. (March 2019)
from Univ. of Nottingham with the Ultrafast Spectroscopy Group at IISER-TVM
from IISER-TVM with the Terahertz Acoustics Group at Univ. of Nottingham