diff --git a/data/courses_csv.csv b/data/courses_csv.csv
index 8828a52..7dab151 100644
--- a/data/courses_csv.csv
+++ b/data/courses_csv.csv
@@ -431,12 +431,12 @@ LS 501,Mathematics and Statistics,D,,"Budhaditya Hazra,","budhaditya.hazra, rsin
 LS 551,Introduction to Linguistic Science,E,,Priyankoo Sarmah,priyankoo,,8:00 - 8:55 AM,9:00 - 9:55 AM,10:00 - 10:55 AM,
 MA 001,Preparatory Mathematics I,--,,M. Guru Prem Prasad,mgpp,,,,,
 MA 101,Mathematics - I,B1,,"Bhupen Deka, , ,","bdeka, cpal, passkrishna, swetatiwari",4:00 - 4:55 PM,3:00 - 3:55 PM,2:00 - 2:55 PM,,5:00 - 5:55 PM
-MA 201,Mathematics III,A,,"Jitendriya Swain, , ,","jitumath, pratim, rksri, satyajitp",8:00 - 8:55 AM,9:00 - 9:55 AM,10:00 - 10:55 AM,11:00 - 11:55 AM,
+MA 201,Mathematics III,A,,"Jitendriya Swain, , ,","jitumath, pratim, rksri, satyajitp",8:00 - 8:55 AM 11:00 - 11:55 AM,,,9:00 - 9:55 AM,10:00 - 10:55 AM
 MA 211M,Real Analysis,G,,Anjan K. Chakrabarty,anjankc,,,12:00 - 12:55 PM ,12:00 - 12:55 PM ,12:00 - 12:55 PM 
-MA 221,Discrete Mathematics,D,,Partha Sarathi Mandal,psm,11:00 - 11:55 AM,,8:00 - 8:55 AM,9:00 - 9:55 AM,10:00 - 10:55 AM
+MA 221,Discrete Mathematics,D,,Partha Sarathi Mandal,psm,,9:00 - 9:55 AM,10:00 - 10:55 AM,11:00 - 11:55 AM,,
 MA 222,Elementary Number Theory and Algebra,F,,Rupam Barman,rupam,12:00 - 12:55 PM ,12:00 - 12:55 PM ,,,11:00 - 11:55 AM
-MA 225,Probability Theory and Random Processes,C,,Subhamay Saha,saha.subhamay,10:00 - 10:55 AM,11:00 - 11:55 AM,,8:00 - 8:55 AM,9:00 - 9:55 AM
-MA 251,Data Structures,E,,Gautam K. Das,gkd,,8:00 - 8:55 AM,9:00 - 9:55 AM,10:00 - 10:55 AM,
+MA 225,Probability Theory and Random Processes,C,,Subhamay Saha,saha.subhamay,,11:00 - 11:55 AM,8:00 - 8:55 AM,8:00 - 8:55 AM,9:00 - 9:55 AM
+MA 251,Data Structures,E,,Gautam K. Das,gkd,,,9:00 - 9:55 AM,10:00 - 10:55 AM,
 MA 311M,Scientific Computing,E1,,Jiten Chandra Kalita,jiten,,5:00 - 5:55 PM,4:00 - 4:55 PM,3:00 - 3:55 PM,
 MA 321,Optimization,D1,,Sriparna Bandopadhyay,sriparna,2:00 - 2:55 PM,,,4:00 - 4:55 PM,3:00 - 3:55 PM
 MA 323,Monte Carlo Simulation,--,,"Ayon Ganguly,","aganguly, nselvaraju",,,5:00 - 5:55 PM,10:00 - 11:55 AM,